Apollo CM Block II Reaction Control System Controller Electrical Control System Box Assembly, measuring 11″ x 13″ x 14.5″ and weighing 30.6 lbs, with the front bearing a total of 18 Glenair, Inc. ports, a parts label, “Box Assy Electrical Cont Sys, Reaction Cont Sys, Part V36-447580, Mfr. Code 03953, Contr. NAS 9-150, US Serial 0G362AAJ2077,” as well stamped and engraved part numbers: “V36-447580-901, 10174E062634” and “V36-447524.” In fine condition, with various marks and scuffs.
The Apollo Command Module (CM) Block II Reaction Control System (RCS) Controller Electrical Control System Box (ECSB) was a critical component of the spacecraft's RCS, which was responsible for controlling the orientation and maneuvering of the Command Module during various phases of the mission, such as orbital maneuvers, rendezvous, and the safe reentry and return of the Apollo astronauts.
From The Peter Gerry Collection.
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