diff --git a/launch/ardrone.launch b/launch/ardrone.launch
deleted file mode 100644
index db980731fe56a47c1e3d03684b78aa61e19e4e43..0000000000000000000000000000000000000000
--- a/launch/ardrone.launch
+++ /dev/null
@@ -1,22 +0,0 @@
-<launch>
-<arg name="ns"/>
-<arg name="mavlink_fcu_url" default="udp://localhost:14565@localhost:14560"/>
-
-<include file="$(find px4)/launch/multicopter_x.launch">
-	<arg name="ns" value="$(arg ns)"/>
-	<arg name="mavlink_fcu_url" value="$(arg mavlink_fcu_url)" />
-</include>
-
-<group ns="$(arg ns)">
-	<param name="MPP_XY_P" type="double" value="1.0" />
-	<param name="MPP_XY_FF" type="double" value="0.1" />
-	<param name="MPP_XY_VEL_P" type="double" value="0.01" />
-	<param name="MPP_XY_VEL_I" type="double" value="0.0" />
-	<param name="MPP_XY_VEL_D" type="double" value="0.01" />
-	<param name="MPP_XY_VEL_MAX" type="double" value="2.0" />
-	<param name="MPP_Z_VEL_P" type="double" value="0.3" />
-	<param name="MPP_Z_P" type="double" value="2" />
-	<param name="vehicle_model" type="string" value="ardrone" />
-</group>
-
-</launch>
diff --git a/launch/example.launch b/launch/example.launch
deleted file mode 100644
index 39da4b3d42528f8f57374d19effa7b9e95b4605c..0000000000000000000000000000000000000000
--- a/launch/example.launch
+++ /dev/null
@@ -1,8 +0,0 @@
-<launch>
-
-<group ns="px4_example">
-	<node pkg="px4" name="subscriber" type="subscriber"/>
-	<node pkg="px4" name="publisher" type="publisher"/>
-</group>
-
-</launch>
diff --git a/launch/gazebo_ardrone_empty_world.launch b/launch/gazebo_ardrone_empty_world.launch
deleted file mode 100644
index 7243e7476e1477a42c4cc25e1545d8f5d4f77756..0000000000000000000000000000000000000000
--- a/launch/gazebo_ardrone_empty_world.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="ardrone"/>
-    <arg name="log_file" default="$(arg ns)"/>
-
-    <include file="$(find rotors_gazebo)/launch/ardrone_empty_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find px4)/launch/ardrone.launch">
-	<arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/gazebo_ardrone_empty_world_offboard_attitudedemo.launch b/launch/gazebo_ardrone_empty_world_offboard_attitudedemo.launch
deleted file mode 100644
index 1309529b63badea5c885bb9430a9a3d3e8778325..0000000000000000000000000000000000000000
--- a/launch/gazebo_ardrone_empty_world_offboard_attitudedemo.launch
+++ /dev/null
@@ -1,14 +0,0 @@
-<launch>
-<arg name="ns" default="ardrone"/>
-
-<include file="$(find px4)/launch/gazebo_ardrone_empty_world.launch">
-	<arg name="ns" value="$(arg ns)"/>
-</include>
-<include file="$(find px4)/launch/mavros_sitl.launch">
-	<arg name="ns" value="$(arg ns)"/>
-</include>
-<group ns="$(arg ns)">
-	<node pkg="px4" name="demo_offboard_attitude_setpoints" type="demo_offboard_attitude_setpoints"/>
-</group>
-
-</launch>
diff --git a/launch/gazebo_ardrone_empty_world_offboard_positiondemo.launch b/launch/gazebo_ardrone_empty_world_offboard_positiondemo.launch
deleted file mode 100644
index 0371306ce5a81207aaf76b78a4b88209d5f2f0a5..0000000000000000000000000000000000000000
--- a/launch/gazebo_ardrone_empty_world_offboard_positiondemo.launch
+++ /dev/null
@@ -1,14 +0,0 @@
-<launch>
-<arg name="ns" default="ardrone"/>
-
-<include file="$(find px4)/launch/gazebo_ardrone_empty_world.launch">
-	<arg name="ns" value="$(arg ns)"/>
-</include>
-<include file="$(find px4)/launch/mavros_sitl.launch">
-	<arg name="ns" value="$(arg ns)"/>
-</include>
-<group ns="$(arg ns)">
-	<node pkg="px4" name="demo_offboard_position_setpoints" type="demo_offboard_position_setpoints"/>
-</group>
-
-</launch>
diff --git a/launch/gazebo_ardrone_house_world.launch b/launch/gazebo_ardrone_house_world.launch
deleted file mode 100644
index 89f27c901fa1d1a176a7580186861de0270788c7..0000000000000000000000000000000000000000
--- a/launch/gazebo_ardrone_house_world.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="ardrone"/>
-    <arg name="log_file" default="$(arg ns)"/>
-
-    <include file="$(find rotors_gazebo)/launch/ardrone_house_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find px4)/launch/ardrone.launch">
-	<arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/gazebo_iris_empty_world.launch b/launch/gazebo_iris_empty_world.launch
deleted file mode 100644
index 0e80208e6728c7896fbffac441ad185fd5075a3f..0000000000000000000000000000000000000000
--- a/launch/gazebo_iris_empty_world.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="iris"/>
-    <arg name="log_file" default="$(arg ns)"/>
-
-    <include file="$(find rotors_gazebo)/launch/iris_empty_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find px4)/launch/iris.launch">
-	<arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/gazebo_iris_house_world.launch b/launch/gazebo_iris_house_world.launch
deleted file mode 100644
index d0e824d4b5c043f1c6babf7a18b2b4541c718929..0000000000000000000000000000000000000000
--- a/launch/gazebo_iris_house_world.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="iris"/>
-    <arg name="log_file" default="$(arg ns)"/>
-
-    <include file="$(find rotors_gazebo)/launch/iris_house_world_with_joy.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find px4)/launch/iris.launch">
-	<arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/gazebo_iris_mavros_posix_sitl.launch b/launch/gazebo_iris_mavros_posix_sitl.launch
deleted file mode 100644
index 8662dad9a8dd94bf49d4b7e79a3dfee6384064c6..0000000000000000000000000000000000000000
--- a/launch/gazebo_iris_mavros_posix_sitl.launch
+++ /dev/null
@@ -1,23 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="iris"/>
-    <arg name="log_file" default="$(arg ns)"/>
-    <arg name="mavlink_bridge_url" default="udp://localhost:14553@localhost:14560" />
-
-    <include file="$(find rotors_gazebo)/launch/iris_empty_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find mavros)/launch/mavlink_bridge.launch">
-    <arg name="mavlink_bridge_url" value="$(arg mavlink_bridge_url)" />
-    <arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/gazebo_iris_outdoor_world.launch b/launch/gazebo_iris_outdoor_world.launch
deleted file mode 100644
index e75e57b877a6b5abadefd9162a46818bfa378d80..0000000000000000000000000000000000000000
--- a/launch/gazebo_iris_outdoor_world.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="enable_logging" default="false"/>
-    <arg name="enable_ground_truth" default="true"/>
-    <arg name="ns" default="iris"/>
-    <arg name="log_file" default="$(arg ns)"/>
-
-    <include file="$(find rotors_gazebo)/launch/iris_outdoor_world_with_joy.launch">
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-    </include>
-    <include file="$(find px4)/launch/iris.launch">
-	<arg name="ns" value="$(arg ns)"/>
-    </include>
-
-</launch>
diff --git a/launch/hippocampus.launch b/launch/hippocampus.launch
deleted file mode 100644
index 56e5720c4e748a2464872c5670643a9712c24de7..0000000000000000000000000000000000000000
--- a/launch/hippocampus.launch
+++ /dev/null
@@ -1,59 +0,0 @@
-<launch>
-
-    <!--
-        MAVROS posix SITL environment launch script modified for hippocam,pus from mavros_posix_sitl.
-        The HippoCampus is an autonomous underwater vehicle (AUV) designed by the Technical University Hamburg-Harburg.
-        https://www.tuhh.de/mum/forschung/forschungsgebiete-und-projekte/flow-field-estimation-with-a-swarm-of-auvs.html
-    -->
-
-    <arg name="x" default="0"/>
-    <arg name="y" default="0"/>
-    <arg name="z" default="0"/>
-    <arg name="R" default="0"/>
-    <arg name="P" default="0"/>
-    <arg name="Y" default="0"/>
-
-
-    <arg name="est" default="ekf2"/>
-    <arg name="vehicle" default="hippocampus"/>
-    <arg name="world" default="$(find px4)/Tools/sitl_gazebo/worlds/hippocampus.world"/>
-    <arg name="sdf" default="$(find px4)/Tools/sitl_gazebo/models/$(arg vehicle)/$(arg vehicle).sdf"/>
-
-    <arg name="rcS" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)"/>
-
-    <arg name="headless" default="false"/>
-    <arg name="gui" default="true"/>
-    <arg name="ns" default="/"/>
-    <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
-
-    <arg name="debug" default="false"/>
-    <arg name="verbose" default="false"/>
-    <arg name="paused" default="false"/>
-
-    <include file="$(find px4)/launch/posix_sitl.launch">
-        <arg name="x" value="$(arg x)"/>
-        <arg name="y" value="$(arg y)"/>
-        <arg name="z" value="$(arg z)"/>
-        <arg name="R" value="$(arg R)"/>
-        <arg name="P" value="$(arg P)"/>
-        <arg name="Y" value="$(arg Y)"/>
-        <arg name="world" value="$(arg world)"/>
-        <arg name="vehicle" value="$(arg vehicle)"/>
-        <arg name="sdf" value="$(arg sdf)"/>
-        <arg name="rcS" value="$(arg rcS)"/>
-        <arg name="headless" value="$(arg headless)"/>
-        <arg name="gui" value="$(arg gui)"/>
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="debug" value="$(arg debug)"/>
-        <arg name="verbose" value="$(arg verbose)"/>
-        <arg name="paused" value="$(arg paused)"/>
-    </include>
-
-    <include file="$(find px4)/launch/mavros.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="gcs_url" value=""/> <!-- GCS link is provided by SITL -->
-        <arg name="fcu_url" value="$(arg fcu_url)"/>
-    </include>
-</launch>
-
-<!-- vim: set et ft=xml fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/launch/iris.launch b/launch/iris.launch
deleted file mode 100644
index 798b761d76dd50d8cde3536c10c40101378a0866..0000000000000000000000000000000000000000
--- a/launch/iris.launch
+++ /dev/null
@@ -1,23 +0,0 @@
-<launch>
-<arg name="ns"/>
-<arg name="mavlink_fcu_url" default="udp://localhost:14565@localhost:14560"/>
-
-<include file="$(find px4)/launch/multicopter_w.launch">
-	<arg name="ns" value="$(arg ns)"/>
-	<arg name="mavlink_fcu_url" value="$(arg mavlink_fcu_url)" />
-</include>
-
-<group ns="$(arg ns)">
-	<param name="mixer" type="string" value="i" />
-	<param name="MPP_XY_P" type="double" value="1.0" />
-	<param name="MPP_XY_FF" type="double" value="0.0" />
-	<param name="MPP_XY_VEL_P" type="double" value="0.01" />
-	<param name="MPP_XY_VEL_I" type="double" value="0.0" />
-	<param name="MPP_XY_VEL_D" type="double" value="0.01" />
-	<param name="MPP_XY_VEL_MAX" type="double" value="2.0" />
-	<param name="MPP_Z_VEL_P" type="double" value="0.3" />
-	<param name="MPP_Z_P" type="double" value="2" />
-	<param name="vehicle_model" type="string" value="iris" />
-</group>
-
-</launch>
diff --git a/launch/mavros.launch b/launch/mavros.launch
deleted file mode 100644
index ddb78f955ab742bd0ae9c28dad67b4858c04fa81..0000000000000000000000000000000000000000
--- a/launch/mavros.launch
+++ /dev/null
@@ -1,25 +0,0 @@
-<launch>
-    <!-- MAVROS launch script PX4 (default) -->
-
-    <arg name="ns" default="/" />
-    <arg name="fcu_url" default="" />
-    <arg name="gcs_url" default="udp://:14550@:14555" />
-    <arg name="tgt_system" default="1" />
-    <arg name="tgt_component" default="1" />
-    <arg name="pluginlists_yaml" default="$(find mavros)/launch/px4_pluginlists.yaml" />
-    <arg name="config_yaml" default="$(find mavros)/launch/px4_config.yaml" />
-
-    <group ns="$(arg ns)">
-        <include file="$(find mavros)/launch/node.launch">
-            <arg name="pluginlists_yaml" value="$(arg pluginlists_yaml)" />
-            <arg name="config_yaml" value="$(arg config_yaml)" />
-
-            <arg name="fcu_url" value="$(arg fcu_url)" />
-            <arg name="gcs_url" value="$(arg gcs_url)" />
-            <arg name="tgt_system" value="$(arg tgt_system)" />
-            <arg name="tgt_component" value="$(arg tgt_component)" />
-        </include>
-    </group>
-</launch>
-
-<!-- vim: set ft=xml et fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/launch/mavros_posix_sitl.launch b/launch/mavros_posix_sitl.launch
index 390452cd8652e7954f414cb1b7e202be2230ecfd..e521795c184c8289badc4d73b442f6827186300d 100644
--- a/launch/mavros_posix_sitl.launch
+++ b/launch/mavros_posix_sitl.launch
@@ -1,34 +1,29 @@
+<?xml version="1.0"?>
 <launch>
-
     <!-- MAVROS posix SITL environment launch script -->
+    <!-- launches MAVROS, PX4 SITL, Gazebo environment, and spawns vehicle -->
+    <!-- vehicle pose -->
     <arg name="x" default="0"/>
     <arg name="y" default="0"/>
     <arg name="z" default="0"/>
     <arg name="R" default="0"/>
     <arg name="P" default="0"/>
     <arg name="Y" default="0"/>
-
-
+    <!-- vehicle model and world -->
     <arg name="est" default="ekf2"/>
     <arg name="vehicle" default="iris"/>
     <arg name="world" default="$(find mavlink_sitl_gazebo)/worlds/empty.world"/>
     <arg name="sdf" default="$(find mavlink_sitl_gazebo)/models/$(arg vehicle)/$(arg vehicle).sdf"/>
-
     <arg name="rcS" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)"/>
-
-    <arg name="headless" default="false"/>
+    <!-- gazebo configs -->
     <arg name="gui" default="true"/>
-    <arg name="ns" default="/"/>
-    <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
-
     <arg name="debug" default="false"/>
     <arg name="verbose" default="false"/>
     <arg name="paused" default="false"/>
     <arg name="respawn_gazebo" default="false"/>
-
-    <arg name="pluginlists_yaml" default="$(find mavros)/launch/px4_pluginlists.yaml" />
-    <arg name="config_yaml" default="$(find mavros)/launch/px4_config.yaml" />
-
+    <!-- MAVROS connection -->
+    <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
+    <!-- PX4 SITL and Gazebo -->
     <include file="$(find px4)/launch/posix_sitl.launch">
         <arg name="x" value="$(arg x)"/>
         <arg name="y" value="$(arg y)"/>
@@ -40,22 +35,16 @@
         <arg name="vehicle" value="$(arg vehicle)"/>
         <arg name="sdf" value="$(arg sdf)"/>
         <arg name="rcS" value="$(arg rcS)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
-        <arg name="ns" value="$(arg ns)"/>
         <arg name="debug" value="$(arg debug)"/>
         <arg name="verbose" value="$(arg verbose)"/>
         <arg name="paused" value="$(arg paused)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <include file="$(find px4)/launch/mavros.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="gcs_url" value=""/> <!-- GCS link is provided by SITL -->
+    <!-- MAVROS -->
+    <include file="$(find mavros)/launch/px4.launch">
+        <!-- GCS link is provided by SITL -->
+        <arg name="gcs_url" value=""/>
         <arg name="fcu_url" value="$(arg fcu_url)"/>
-        <arg name="pluginlists_yaml" value="$(arg pluginlists_yaml)" />
-        <arg name="config_yaml" value="$(arg config_yaml)" />
     </include>
 </launch>
-
-<!-- vim: set et ft=xml fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/launch/mavros_sitl.launch b/launch/mavros_sitl.launch
deleted file mode 100644
index 50ede33f9c5d3e45e59e162cf5c1c7f81d9b6247..0000000000000000000000000000000000000000
--- a/launch/mavros_sitl.launch
+++ /dev/null
@@ -1,21 +0,0 @@
-<launch>
-<!-- MAVROS launch script for deprecated multiplatform SITL -->
-
-<arg name="ns" default="/" />
-<arg name="fcu_url" default="udp://localhost:14560@localhost:14565" />
-<arg name="gcs_url" default="" />
-<arg name="tgt_system" default="1" />
-<arg name="tgt_component" default="50" />
-
-<group ns="$(arg ns)">
-	<include file="$(find mavros)/launch/node.launch">
-		<arg name="pluginlists_yaml" value="$(find mavros)/launch/px4_pluginlists.yaml" />
-		<arg name="config_yaml" value="$(find mavros)/launch/px4_config.yaml" />
-
-		<arg name="fcu_url" value="$(arg fcu_url)" />
-		<arg name="gcs_url" value="$(arg gcs_url)" />
-		<arg name="tgt_system" value="$(arg tgt_system)" />
-		<arg name="tgt_component" value="$(arg tgt_component)" />
-	</include>
-</group>
-</launch>
diff --git a/launch/multi_uav.launch b/launch/multi_uav.launch
deleted file mode 100644
index 6fb1589e808a21017c03b8a622c59e4f4cdf7ad7..0000000000000000000000000000000000000000
--- a/launch/multi_uav.launch
+++ /dev/null
@@ -1,55 +0,0 @@
-<?xml version="1.0"?>
-<launch>
-  <arg name="headless" default="false"/>
-  <arg name="gui" default="true"/>
-  <arg name="enable_logging" default="false"/>
-  <arg name="enable_ground_truth" default="true"/>
-  <arg name="debug" default="false"/>
-  <arg name="ns" default="iris"/>
-  <arg name="log_file" default="$(arg ns)"/>
-
-  <include file="$(find gazebo_ros)/launch/empty_world.launch">
-    <arg name="world_name" value="$(find rotors_gazebo)/worlds/basic.world"/>
-    <arg name="debug" value="$(arg debug)" />
-    <arg name="headless" value="$(arg headless)"/>
-    <arg name="gui" value="$(arg gui)"/>
-  </include>
-  
-   <group ns="iris">
-      <include file="$(find rotors_gazebo)/launch/spawn_iris.launch">
-        <arg name="model" value="$(find rotors_description)/urdf/iris_gesture_sensors.gazebo" />
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-        <arg name="x" value="1"/>
-        <arg name="y" value="0"/>
-      </include>
-      <arg name="fcu_url" default="udp://localhost:14560@localhost:14565" />
-      <include file="$(find mavros)/launch/px4.launch">
-        <arg name="fcu_url" value="$(arg fcu_url)" />
-      </include>
-   </group>
-   <include file="$(find px4)/launch/iris.launch">
-     <arg name="ns" value="iris"/>
-   </include>   
-      
-   <group ns="ardrone">
-      <include file="$(find rotors_gazebo)/launch/spawn_ardrone.launch">
-        <arg name="model" value="$(find rotors_description)/urdf/ardrone_base.xacro" />
-        <arg name="enable_logging" value="$(arg enable_logging)" />
-        <arg name="enable_ground_truth" value="$(arg enable_ground_truth)" />
-        <arg name="log_file" value="$(arg log_file)"/>
-        <arg name="x" value="-1"/>
-        <arg name="y" value="0"/>
-      </include>
-      <arg name="fcu_url" default="udp://localhost:14570@localhost:14575" />
-      <include file="$(find mavros)/launch/px4.launch">
-        <arg name="fcu_url" value="$(arg fcu_url)" />
-      </include>
-   </group>
-   <include file="$(find px4)/launch/ardrone.launch">
-	<arg name="ns" value="ardrone"/>
-	<arg name="mavlink_fcu_url" value="udp://localhost:14575@localhost:14570"/>
-   </include>
-
-</launch>   
diff --git a/launch/multi_uav_mavros_sitl.launch b/launch/multi_uav_mavros_sitl.launch
index ebedfc3c3ef3df6bc2ee8e72f064c5a5331bc0a7..5bea67c67070add5eb27e706661944504c9d2a8f 100644
--- a/launch/multi_uav_mavros_sitl.launch
+++ b/launch/multi_uav_mavros_sitl.launch
@@ -1,42 +1,31 @@
+<?xml version="1.0"?>
 <launch>
-
     <!-- MAVROS posix SITL environment launch script -->
-
-    <arg name="debug" default="false"/>
-    <arg name="verbose" default="false"/>
-    <arg name="paused" default="false"/>
-
+    <!-- launches Gazebo environment and 2x: MAVROS, PX4 SITL, and spawns vehicle -->
+    <!-- vehicle model and world -->
     <arg name="est" default="ekf2"/>
     <arg name="vehicle" default="iris"/>
     <arg name="world" default="$(find mavlink_sitl_gazebo)/worlds/empty.world"/>
-
-    <arg name="headless" default="false"/>
+    <!-- gazebo configs -->
     <arg name="gui" default="true"/>
-    <arg name="ns" default="/"/>
-
-    <arg name="pluginlists_yaml" default="$(find mavros)/launch/px4_pluginlists.yaml" />
-    <arg name="config_yaml" default="$(find mavros)/launch/px4_config.yaml" />
-
-    <!-- Load world -->
+    <arg name="debug" default="false"/>
+    <arg name="verbose" default="false"/>
+    <arg name="paused" default="false"/>
+    <!-- Gazebo sim -->
     <include file="$(find gazebo_ros)/launch/empty_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
-        <arg name="world_name" value="$(arg world)" />
-        <arg name="debug" value="$(arg debug)" />
-        <arg name="verbose" value="$(arg verbose)" />
-        <arg name="paused" value="$(arg paused)" />
+        <arg name="world_name" value="$(arg world)"/>
+        <arg name="debug" value="$(arg debug)"/>
+        <arg name="verbose" value="$(arg verbose)"/>
+        <arg name="paused" value="$(arg paused)"/>
     </include>
-
-    <!-- UAV1 iris_1-->
+    <!-- UAV1 -->
     <group ns="uav1">
-        <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
-        <arg name="gcs_url" value=""/>
-        <arg name="tgt_system" value="1"/> 
-        <arg name="tgt_component" value="1"/>
-        <arg name="rcS1" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)_1"/>
+        <!-- MAVROS and vehicle configs -->        
         <arg name="ID" value="1"/>
-
-        <include file="$(find px4)/launch/single_vehcile_spawn.launch">
+        <arg name="fcu_url" default="udp://:14540@localhost:14557"/>
+        <!-- PX4 SITL and vehicle spawn -->
+        <include file="$(find px4)/launch/single_vehicle_spawn.launch">
             <arg name="x" value="0"/>
             <arg name="y" value="0"/>
             <arg name="z" value="0"/>
@@ -44,32 +33,25 @@
             <arg name="P" value="0"/>
             <arg name="Y" value="0"/>
             <arg name="vehicle" value="$(arg vehicle)"/>
-            <arg name="rcS" value="$(arg rcS1)"/>
+            <arg name="rcS" value="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)_$(arg ID)"/>
             <arg name="mavlink_udp_port" value="14560"/>
             <arg name="ID" value="$(arg ID)"/>
         </include>
-
-        <include file="$(find mavros)/launch/node.launch">
-            <arg name="pluginlists_yaml" value="$(arg pluginlists_yaml)" />
-            <arg name="config_yaml" value="$(arg config_yaml)" />
-
-            <arg name="fcu_url" value="$(arg fcu_url)" />
-            <arg name="gcs_url" value="$(arg gcs_url)" />
-            <arg name="tgt_system" value="$(arg tgt_system)" />
-            <arg name="tgt_component" value="$(arg tgt_component)" />
+        <!-- MAVROS -->
+        <include file="$(find mavros)/launch/px4.launch">
+            <arg name="fcu_url" value="$(arg fcu_url)"/>
+            <arg name="gcs_url" value=""/>
+            <arg name="tgt_system" value="$(arg ID)"/>
+            <arg name="tgt_component" value="1"/>
         </include>
     </group>
-
-    <!-- UAV2 iris_2 -->
+    <!-- UAV2 -->
     <group ns="uav2">
-        <arg name="fcu_url" default="udp://:14541@localhost:14559"/>
-        <arg name="gcs_url" value=""/>
-        <arg name="tgt_system" value="2"/> 
-        <arg name="tgt_component" value="1"/>
-        <arg name="rcS2" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)_2"/>
+        <!-- MAVROS and vehicle configs -->
         <arg name="ID" value="2"/>
-
-        <include file="$(find px4)/launch/single_vehcile_spawn.launch">
+        <arg name="fcu_url" default="udp://:14541@localhost:14559"/>
+        <!-- PX4 SITL and vehicle spawn -->
+        <include file="$(find px4)/launch/single_vehicle_spawn.launch">
             <arg name="x" value="1"/>
             <arg name="y" value="0"/>
             <arg name="z" value="0"/>
@@ -77,21 +59,16 @@
             <arg name="P" value="0"/>
             <arg name="Y" value="0"/>
             <arg name="vehicle" value="$(arg vehicle)"/>
-            <arg name="rcS" value="$(arg rcS2)"/>
+            <arg name="rcS" value="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)_$(arg ID)"/>
             <arg name="mavlink_udp_port" value="14562"/>
             <arg name="ID" value="$(arg ID)"/>
         </include>
-
-        <include file="$(find mavros)/launch/node.launch">
-            <arg name="pluginlists_yaml" value="$(arg pluginlists_yaml)" />
-            <arg name="config_yaml" value="$(arg config_yaml)" />
-
-            <arg name="fcu_url" value="$(arg fcu_url)" />
-            <arg name="gcs_url" value="$(arg gcs_url)" />
-            <arg name="tgt_system" value="$(arg tgt_system)" />
-            <arg name="tgt_component" value="$(arg tgt_component)" />
+        <!-- MAVROS -->
+        <include file="$(find mavros)/launch/px4.launch">
+            <arg name="fcu_url" value="$(arg fcu_url)"/>
+            <arg name="gcs_url" value=""/>
+            <arg name="tgt_system" value="$(arg ID)"/>
+            <arg name="tgt_component" value="1"/>
         </include>
     </group>
-
 </launch>
-<!-- vim: set et ft=xml fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/launch/multicopter.launch b/launch/multicopter.launch
deleted file mode 100644
index bf68da95ddef9645daba2f923eaf1bebb33684eb..0000000000000000000000000000000000000000
--- a/launch/multicopter.launch
+++ /dev/null
@@ -1,20 +0,0 @@
-<launch>
-<arg name="ns"/>
-<arg name="mavlink_fcu_url"/>
-
-<group ns="$(arg ns)">
-	<node pkg="joy" name="joy_node" type="joy_node"/>
-	<node pkg="px4" name="manual_input" type="manual_input"/>
-	<node pkg="px4" name="commander" type="commander"/>
-	<node pkg="px4" name="mc_mixer" type="mc_mixer"/>
-	<node pkg="px4" name="attitude_estimator" type="attitude_estimator"/>
-	<node pkg="px4" name="position_estimator" type="position_estimator"/>
-	<node pkg="px4" name="mc_att_control" type="mc_att_control"/>
-	<node pkg="px4" name="mc_pos_control" type="mc_pos_control"/>
-	<node pkg="px4" name="mavlink" type="mavlink">  
-	  <param name="mavlink_fcu_url" value="$(arg mavlink_fcu_url)" type="str"/>
-	</node>
-	<!-- <node pkg="rosbag" type="record" name="record" output="screen" args="-a -O px4_multicopter"/> -->
-</group>
-
-</launch>
diff --git a/launch/multicopter_w.launch b/launch/multicopter_w.launch
deleted file mode 100644
index 617357452f955de7706835f6b5f03079cdeb0a5f..0000000000000000000000000000000000000000
--- a/launch/multicopter_w.launch
+++ /dev/null
@@ -1,14 +0,0 @@
-<launch>
-<arg name="ns"/>
-<arg name="mavlink_fcu_url"/>
-
-<include file="$(find px4)/launch/multicopter.launch">
-	<arg name="ns" value="$(arg ns)"/>
-	<arg name="mavlink_fcu_url" value="$(arg mavlink_fcu_url)" />
-</include>
-
-<group ns="$(arg ns)">
-	<param name="mixer" type="string" value="w" />
-</group>
-
-</launch>
diff --git a/launch/multicopter_x.launch b/launch/multicopter_x.launch
deleted file mode 100644
index b7db46dcb5c8a84bae57c76cfbce1d405cc30258..0000000000000000000000000000000000000000
--- a/launch/multicopter_x.launch
+++ /dev/null
@@ -1,14 +0,0 @@
-<launch>
-<arg name="ns"/>
-<arg name="mavlink_fcu_url"/>
-
-<include file="$(find px4)/launch/multicopter.launch">
-	<arg name="ns" value="$(arg ns)"/>
-	<arg name="mavlink_fcu_url" value="$(arg mavlink_fcu_url)" />
-</include>
-
-<group ns="$(arg ns)">
-	<param name="mixer" type="string" value="x" />
-</group>
-
-</launch>
diff --git a/launch/posix_sitl.launch b/launch/posix_sitl.launch
index 9e828182c2338f3976782fe59eceb6fd53aa8f91..215716db0724584c95bee19b2129f9218f3548cd 100644
--- a/launch/posix_sitl.launch
+++ b/launch/posix_sitl.launch
@@ -1,45 +1,37 @@
+<?xml version="1.0"?>
 <launch>
-
     <!-- Posix SITL environment launch script -->
+    <!-- launches PX4 SITL, Gazebo environment, and spawns vehicle -->
+    <!-- vehicle pose -->
     <arg name="x" default="0"/>
     <arg name="y" default="0"/>
     <arg name="z" default="0"/>
     <arg name="R" default="0"/>
     <arg name="P" default="0"/>
     <arg name="Y" default="0"/>
+    <!-- vehicle model and world -->
     <arg name="est" default="ekf2"/>
     <arg name="vehicle" default="iris"/>
     <arg name="world" default="$(find mavlink_sitl_gazebo)/worlds/empty.world"/>
     <arg name="sdf" default="$(find mavlink_sitl_gazebo)/models/$(arg vehicle)/$(arg vehicle).sdf"/>
     <arg name="rcS" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)"/>
-
-    <arg name="headless" default="false"/>
+    <!-- gazebo configs -->
     <arg name="gui" default="true"/>
-    <arg name="ns" default="/"/>
-
     <arg name="debug" default="false"/>
     <arg name="verbose" default="false"/>
     <arg name="paused" default="false"/>
     <arg name="respawn_gazebo" default="false"/>
-
-    <node name="sitl" pkg="px4" type="px4" output="screen"
-        args="$(find px4) $(arg rcS)">
-    </node>
-
+    <!-- PX4 SITL -->
+    <node name="sitl" pkg="px4" type="px4" output="screen" args="$(find px4) $(arg rcS)"/>
+    <!-- Gazebo sim -->
     <include file="$(find gazebo_ros)/launch/empty_world.launch">
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
-        <arg name="world_name" value="$(arg world)" />
-        <arg name="debug" value="$(arg debug)" />
-        <arg name="verbose" value="$(arg verbose)" />
-        <arg name="paused" value="$(arg paused)" />
+        <arg name="world_name" value="$(arg world)"/>
+        <arg name="debug" value="$(arg debug)"/>
+        <arg name="verbose" value="$(arg verbose)"/>
+        <arg name="paused" value="$(arg paused)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <node name="$(anon vehicle_spawn)" output="screen" pkg="gazebo_ros" type="spawn_model"
-        args="-sdf -file $(arg sdf) -model $(arg vehicle) -x $(arg x) -y $(arg y) -z $(arg z) -R $(arg R) -P $(arg P) -Y $(arg Y)"/>
-
-
+    <!-- gazebo model -->
+    <node name="$(anon vehicle_spawn)" pkg="gazebo_ros" type="spawn_model" output="screen" args="-sdf -file $(arg sdf) -model $(arg vehicle) -x $(arg x) -y $(arg y) -z $(arg z) -R $(arg R) -P $(arg P) -Y $(arg Y)"/>
 </launch>
-
-<!-- vim: set et ft=xml fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/launch/single_vehcile_spawn.launch b/launch/single_vehicle_spawn.launch
similarity index 60%
rename from launch/single_vehcile_spawn.launch
rename to launch/single_vehicle_spawn.launch
index 62edecb7e2bfe23ecd7917a8f2c9634f05d4a280..556fda1a3d2f7102993f35acd0a1649f5199ab07 100644
--- a/launch/single_vehcile_spawn.launch
+++ b/launch/single_vehicle_spawn.launch
@@ -1,33 +1,26 @@
+<?xml version="1.0"?>
 <launch>
-
     <!-- Posix SITL environment launch script -->
+    <!-- launchs PX4 SITL and spawns vehicle -->
+    <!-- vehicle pose -->
     <arg name="x" default="0"/>
     <arg name="y" default="0"/>
     <arg name="z" default="0"/>
     <arg name="R" default="0"/>
     <arg name="P" default="0"/>
     <arg name="Y" default="0"/>
+    <!-- vehcile model and config -->
     <arg name="est" default="ekf2"/>
     <arg name="vehicle" default="iris"/>
     <arg name="ID" default="1"/>
     <arg name="rcS" default="$(find px4)/posix-configs/SITL/init/$(arg est)/$(arg vehicle)_$(arg ID)"/>
-    <arg name="mavlink_udp_port" default="14560" />
-
-
-
+    <arg name="mavlink_udp_port" default="14560"/>
+    <!-- generate urdf vehicle model -->
     <arg name="cmd" default="$(find xacro)/xacro $(find px4)/Tools/sitl_gazebo/models/rotors_description/urdf/$(arg vehicle)_base.xacro rotors_description_dir:=$(find px4)/Tools/sitl_gazebo/models/rotors_description mavlink_udp_port:=$(arg mavlink_udp_port) --inorder"/>
-
-
-    <param command="$(arg cmd)" name="rotors_description" />
-
-    <node name="sitl_$(arg ID)" pkg="px4" type="px4" output="screen"
-        args="$(find px4) $(arg rcS)">
+    <param command="$(arg cmd)" name="rotors_description"/>
+    <!-- PX4 SITL -->
+    <node name="sitl_$(arg ID)" pkg="px4" type="px4" output="screen" args="$(find px4) $(arg rcS)">
     </node>
-
-    <node name="$(arg vehicle)_$(arg ID)_spawn" output="screen" pkg="gazebo_ros" type="spawn_model"
-        args="-urdf -param rotors_description -model $(arg vehicle)_$(arg ID) -package_to_model -x $(arg x) -y $(arg y) -z $(arg z) -R $(arg R) -P $(arg P) -Y $(arg Y)"/>
-
-
+    <!-- spawn vehicle -->
+    <node name="$(arg vehicle)_$(arg ID)_spawn" output="screen" pkg="gazebo_ros" type="spawn_model" args="-urdf -param rotors_description -model $(arg vehicle)_$(arg ID) -package_to_model -x $(arg x) -y $(arg y) -z $(arg z) -R $(arg R) -P $(arg P) -Y $(arg Y)"/>
 </launch>
-
-<!-- vim: set et ft=xml fenc=utf-8 ff=unix sts=0 sw=4 ts=4 : -->
diff --git a/test/mavros_posix_test_mission.test b/test/mavros_posix_test_mission.test
index 5b48ce16d81f6c6dfa6d06d471cd06039323ca84..06b92aa14ae4af82022368a5369871474505e2b4 100644
--- a/test/mavros_posix_test_mission.test
+++ b/test/mavros_posix_test_mission.test
@@ -1,24 +1,19 @@
+<?xml version="1.0"?>
 <launch>
     <!-- Posix SITL MAVROS integration tests -->
-
-    <arg name="ns" default="/"/>
-    <arg name="headless" default="true"/>
+    <!-- Test a mission -->
     <arg name="gui" default="false"/>
     <arg name="est" default="ekf2"/>
     <arg name="mission"/>
     <arg name="vehicle"/>
     <arg name="respawn_gazebo" default="true"/>
-
+    <!-- MAVROS, PX4 SITL, Gazebo -->
     <include file="$(find px4)/launch/mavros_posix_sitl.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="vehicle" value="$(arg vehicle)"/>
         <arg name="est" value="$(arg est)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <group ns="$(arg ns)">
-        <test test-name="mission_test" pkg="px4" type="mission_test.py" time-limit="300.0" args="$(arg mission)" />
-    </group>
+    <!-- ROStest -->
+    <test test-name="mission_test" pkg="px4" type="mission_test.py" time-limit="300.0" args="$(arg mission)"/>
 </launch>
diff --git a/test/mavros_posix_tests_iris_opt_flow.test b/test/mavros_posix_tests_iris_opt_flow.test
index ae174029fdee046428a46a79e8a412f854275a90..0ecc9a5dd98572c83e460a4b23fc9dfc24003092 100644
--- a/test/mavros_posix_tests_iris_opt_flow.test
+++ b/test/mavros_posix_tests_iris_opt_flow.test
@@ -1,23 +1,18 @@
+<?xml version="1.0"?>
 <launch>
     <!-- Posix SITL MAVROS integration tests -->
-
-    <arg name="ns" default="/"/>
-    <arg name="headless" default="true"/>
+    <!-- Test offboard local posistion and attitude control with optical flow iris -->
     <arg name="gui" default="false"/>
     <arg name="est" default="ekf2"/>
     <arg name="respawn_gazebo" default="true"/>
-
+    <!-- MAVROS, PX4 SITL, Gazebo -->
     <include file="$(find px4)/launch/mavros_posix_sitl.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="vehicle" value="iris_opt_flow"/>
         <arg name="est" value="$(arg est)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <group ns="$(arg ns)">
-        <test test-name="mavros_flow_offboard_posctl_test" pkg="px4" type="mavros_offboard_posctl_test.py" time-limit="120.0" />
-        <test test-name="mavros_flow_offboard_attctl_test" pkg="px4" type="mavros_offboard_attctl_test.py" />
-    </group>
+    <!-- ROStest -->
+    <test test-name="mavros_flow_offboard_posctl_test" pkg="px4" type="mavros_offboard_posctl_test.py" time-limit="120.0"/>
+    <test test-name="mavros_flow_offboard_attctl_test" pkg="px4" type="mavros_offboard_attctl_test.py" time-limit="120.0"/>
 </launch>
diff --git a/test/mavros_posix_tests_missions.test b/test/mavros_posix_tests_missions.test
index 2ac8217ad4ccf97a34809ea5f7983df134fae64f..88d0b3c42f54bcd73bf0feb9cd72218fa1f383f6 100644
--- a/test/mavros_posix_tests_missions.test
+++ b/test/mavros_posix_tests_missions.test
@@ -1,27 +1,22 @@
+<?xml version="1.0"?>
 <launch>
     <!-- Posix SITL MAVROS integration tests -->
-
-    <arg name="ns" default="/"/>
-    <arg name="headless" default="true"/>
+    <!-- Test all missions with standard VTOL -->
     <arg name="gui" default="false"/>
     <arg name="est" default="ekf2"/>
     <arg name="respawn_gazebo" default="true"/>
-
+    <!-- MAVROS, PX4 SITL, Gazebo -->
     <include file="$(find px4)/launch/mavros_posix_sitl.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="vehicle" value="standard_vtol"/>
         <arg name="est" value="$(arg est)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <group ns="$(arg ns)">
-        <test test-name="multicopter_box" pkg="px4" type="mission_test.py" time-limit="120.0" args="multirotor_box.mission"/>
-        <test test-name="mission_test_new_1" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_new_1.txt"/>
-        <test test-name="mission_test_new_2" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_new_2.txt"/>
-        <test test-name="mission_test_old_1" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_1.txt"/>
-        <test test-name="mission_test_old_2" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_2.txt"/>
-        <test test-name="mission_test_old_3" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_3.txt"/>
-    </group>
+    <!-- ROStest -->
+    <test test-name="multicopter_box" pkg="px4" type="mission_test.py" time-limit="120.0" args="multirotor_box.mission"/>
+    <test test-name="mission_test_new_1" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_new_1.txt"/>
+    <test test-name="mission_test_new_2" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_new_2.txt"/>
+    <test test-name="mission_test_old_1" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_1.txt"/>
+    <test test-name="mission_test_old_2" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_2.txt"/>
+    <test test-name="mission_test_old_3" pkg="px4" type="mission_test.py" time-limit="300.0" args="vtol_old_3.txt"/>
 </launch>
diff --git a/test/mavros_posix_tests_offboard_attctl.test b/test/mavros_posix_tests_offboard_attctl.test
index e6407166f15b41664abb0e54ea23814bf93d113c..0db15caf23a720d267f3f3ce5299447c5dbc2713 100644
--- a/test/mavros_posix_tests_offboard_attctl.test
+++ b/test/mavros_posix_tests_offboard_attctl.test
@@ -1,22 +1,17 @@
+<?xml version="1.0"?>
 <launch>
     <!-- Posix SITL MAVROS integration tests -->
-
-    <arg name="ns" default="/"/>
-    <arg name="headless" default="true"/>
+    <!-- Test offboard attitude control with iris -->
     <arg name="gui" default="false"/>
     <arg name="est" default="ekf2"/>
     <arg name="respawn_gazebo" default="true"/>
-
+    <!-- MAVROS, PX4 SITL, Gazebo -->
     <include file="$(find px4)/launch/mavros_posix_sitl.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="vehicle" value="iris"/>
         <arg name="est" value="$(arg est)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <group ns="$(arg ns)">
-        <test test-name="mavros_offboard_attctl_test" pkg="px4" type="mavros_offboard_attctl_test.py" time-limit="120.0"/>
-    </group>
+    <!-- ROStest -->
+    <test test-name="mavros_offboard_attctl_test" pkg="px4" type="mavros_offboard_attctl_test.py" time-limit="120.0"/>
 </launch>
diff --git a/test/mavros_posix_tests_offboard_posctl.test b/test/mavros_posix_tests_offboard_posctl.test
index 92905e6870434064c29d0c13222b7e5ab69dcadf..d8a6adee01eaf25a63ee3bf805b90ca8275f9da8 100644
--- a/test/mavros_posix_tests_offboard_posctl.test
+++ b/test/mavros_posix_tests_offboard_posctl.test
@@ -1,22 +1,17 @@
+<?xml version="1.0"?>
 <launch>
     <!-- Posix SITL MAVROS integration tests -->
-
-    <arg name="ns" default="/"/>
-    <arg name="headless" default="true"/>
+    <!-- Test offboard local posistion control with iris -->
     <arg name="gui" default="false"/>
     <arg name="est" default="ekf2"/>
     <arg name="respawn_gazebo" default="true"/>
-
+    <!-- MAVROS, PX4 SITL, Gazebo -->
     <include file="$(find px4)/launch/mavros_posix_sitl.launch">
-        <arg name="ns" value="$(arg ns)"/>
-        <arg name="headless" value="$(arg headless)"/>
         <arg name="gui" value="$(arg gui)"/>
         <arg name="vehicle" value="iris"/>
         <arg name="est" value="$(arg est)"/>
         <arg name="respawn_gazebo" value="$(arg respawn_gazebo)"/>
     </include>
-
-    <group ns="$(arg ns)">
-        <test test-name="mavros_offboard_posctl_test" pkg="px4" type="mavros_offboard_posctl_test.py" time-limit="120.0"/>
-    </group>
+    <!-- ROStest -->
+    <test test-name="mavros_offboard_posctl_test" pkg="px4" type="mavros_offboard_posctl_test.py" time-limit="120.0"/>
 </launch>