diff --git a/launch.ks b/launch.ks
index 4395eb8..377fd8e 100755
--- a/launch.ks
+++ b/launch.ks
@@ -44,6 +44,7 @@ function launch {
     
     print "--- VERTICAL CLIMB ---".
     SAS OFF.
+    RCS OFF.
     set NAVMODE to "SURFACE".
     lock STEERING to HEADING(launch_azimuth, 90).  // roll to launch azimuth
     lock THROTTLE to 1.0.