kOS Scriptable Autopilot System v1.4.0.0 for KSP 1.12.x (This is a continuation of the old thread about the kOS mod: ( 1.2.2 kOS scriptable autopilot system ).) kOS (Kerbal Operating System) is an autopilot you script yourself. kOS is to programming, what Kerbal Space Program itself is to rocket science. You don’t have to know what you’re doing to get started, but you may find yourself learning a lot by accident as you play with it. And if you already know a lot about programming, i