Apollo Direct Ascent
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LOR Decision
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Command Service Module
Convair
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General Electric
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Martin
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North American Rockwell
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Lunar Module
Boeing
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Convair
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Grumman
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LM Derived Vehicles
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Lunar Roving Vehicle
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Apollo–Soyuz Test Project
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References
Brooks, Courtney G. Chariots for Apollo: The NASA History of Manned Lunar Spacecraft. Dover Publications, 2012.