Electro-Explosive Devices


The Electro-Explosive Devices Subsystem consists of its own redundant power supplies, relay boxes and wiring to accomplish the following:
  •  Release of the landing gear for deployment 
  •  Enable helium pressurization of the Ascent Propulsion, Descent Propulsion, and Reaction Control Subsystems 
  •  Stage separation 
  •  Venting of Descent Propulsion Subsystem on the lunar surface