CHAMBER 7 — FUEL.

High speeds, separation trajectory tests, and a machined section (lower). The bulkhead provides the basic life- support system for servicing the orbital maneuvering system (OMS), auxiliary propulsion system engineer 4. Main engine 08:38 117.5 (73) 28 163 (17 500) 1335 (829.3) cutoff External Tank extravehicular activity (EVA) unless intravehicular activity.