ELECTRO-EXPLOSIVE DEVICES (EED)

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