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THE BEST TECHNICAL, NUTS-AND-BOLTS DESCRIPTION OF THE APOLLO COMMAND AND SERVICE MODULE IN PRINT TODAY! The Command Module (CM) was the control center for the Apollo spacecraft, providing living and working quarters for the three-man crew for the entire flight, except for the period when the Lunar Module descended to the Moon for landing and return. The cone-shaped CM was the only part of the spacecraft that returned to Earth from space. The cylindrical Service Module (SM) was designed to support the command module and its crew, housing the electrical power subsystem, reaction control engines, part of the environmental control system, and the service propulsion subsystem including the main propulsion engine for insertion into orbit around the Moon, for return from the Moon, and for course corrections. The 22-foot long SM was attached to the command module until just before Earth entry, when it was jettisoned. This WSN Special Report exclusively features the best NASA document on the CSM - the official Apollo Spacecraft News Reference. There are over 170 illustrations, cut-away drawings, schematics, tables and charts. From the docking system to the Service Propulsion System engine, every part of the Command Service Module is described in detail. It is a genuine treasure-trove of facts, figures, and historical information about man's greatest engineering achievement. If you are fascinated by the Apollo era, you'll want this spectacular report! Please keep in mind that since this is a reproduction of an original historic document, it contains a few minor flaws and some pages with small text. Overall, however, the reproduction is very clear and sharp.