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This is a Redstone missile engine, made by the Rocketdyne Division of Rockwell International, accompanied by a separate pump attached to one of the missile's structural rings. The engine with its pump was flown on a Redstone vehicle launched from Cape Canaveral, Florida, June 11, 1958 and then recovered near the coast of Jamaica.

Developed beginning in 1950, the Redstone was this country's first large-scale operational liquid propellant missile. On January 31, 1958, a modified version of the Redstone engine propelled the Jupiter-C launch vehicle that orbited the U.S.'s first artificial satellite, Explorer 1. This type of engine also launched the first American into space, Alan B. Shepard, aboard the Mercury-Redstone 3 (MR-3) on May 5, 1961.

Transferred by the U.S. Army to the Smithsonian Institution in 1964.

 Display Status This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date 1958 Country of Origin United States of America Type PROPULSION-Rocket Engines Manufacturer Rocketdyne Division, Rockwell International Dimensions Overall: 34 5/8 in. wide x 70 13/16 in. long x 70 5/8 in. diameter (87.88 x 179.83 x 179.32cm)
Other (ring): 14 1/2 in. wide (36.83cm)
Other (pump): 61 in. wide (154.94cm)
 Materials Motor and injectors, 4130 steel.
The separate pump is mainly of non-ferrous metal, probably stainless steel. The ring is of aluminum while The screws are of steel as is the manifold pipe.
 Inventory Number A19640677000 Credit Line Transferred from U.S. Army Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.