Space Shuttle Main Engine

     

Space Shuttle Main Engine

Although not the most powerful rocket engine ever flown, the Space Shuttle Main Engine (SSME) burned fuel more efficiently than many of its predecessors. Unlike all of NASA's liquid fuel rocket engines, the SSME was reusable. 

Image Number: WEB12402-2012
Credit: Image by Eric Long, National Air and Space Museum, Smithsonian Institution
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