Sequence System
Retro JETT Arm-Safe Switch
The retrograde Jettison squib bus arm-safe switch is a two-pole double-throw toggle switch. In the ARM position, it arms retrograde Jettison squib buses number 1 and number 2. From these buses, the retrograde Jettison relays Eat the power to fire the retrograde adapter shaped charges and retrograde pyrotechnic switch H.