Apollo Program



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Command Module Event indicator SOLD!
Command Module Insulation SOLD!
COMMAND MODULE PYROGUARD EX-Donald Slayton SOLD!

Lunar Module Fitting Legs SOLD!
Lunar Module Remove Before Flight cover SOLD!
Lunar Module Remove Before Flight cover SOLD!
Lunar Module Remove Before Flight Plug SOLD!
APOLLO 9 LM KAPTON SOLD!
APOLLO 9 Hasselblad Film Negative SOLD!
APOLLO 9 Hasselblad Film Negative SOLD!
APOLLO 16 FLOWN Command Module  SOLD!

APOLLO Cobra Head SOLD! 

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SITE MAP

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V1-FIESELER FI 103   V2 ROCKET    X-15   MERCURY      GEMINI       APOLLO APOLLO TRAINING CUE CARDS     FLIGHT PLAN   & DOCUMENTS SKYLAB    ASTP    COSMONAUTS SPACE SHUTTLE    SPACE SUIT BETA CLOTH PATCH     RECOVERY SHIP CAP RAYTHEON ANALYZER AUTOGRAPHS       SIGNED COVERS BOOKS SPACE COIN  SPACECRAFT DVD & More CHARLIE DUKE 1/4 SCALE MODEL APOLLO RCS MODEL REPLICA
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Apollo Reaction Control System Model Replica

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SITE MAP Also available as a display, with elegant base and descriptive nameplate. About History Apollo RCS engine  Apollo Lunar Module Reaction Control System Marquardt R-4D Rocket Engine with Extended Nozzle, Manufactured in Early 1971. Sixteen of this type of engine were mounted on the exterior of each Lunar Module in four quadruple clusters and sixteen as well on each Service Module.  The Marquardt Corporation was awarded the contract to build the reaction-control rocket engines for the Apollo spacecraft in 1963. They were first flown in the unmanned Apollo-Saturn 201 test flight launched in February 1966. Designed for maneuvering in space, this was a bipropellant engine using hypergolic nitrogen tetroxide and hydrazine as propellants, generating 100+ pounds of thrust. Overall, 13" long. 
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