Space History Photo: Space Shuttle Main Engine (SSME) Test Firing

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By NASA Archives
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space history, nasa, rocket propulsion
A Space Shuttle Main Engine undergoing a full power second test firing in May of 1981. (Image credit: NASA.)

In this historical photo from the U.S. space agency, a Space Shuttle Main Engine (SSME) undergoing a full power level 290.04 second test firing at the National Space Technology Laboratories (currently called the Stennis Space Center) in Mississippi. The firings were part of a series of developmental testing designed to increase the amount of thrust available to the Shuttle from its three main engines. The additional thrust allowed the Shuttle to launch heavier payloads into orbit.

The Marshall Space Flight Center (MSFC) had management responsibility of Space Shuttle propulsion elements, including the Main Engines.

Each weekday, SPACE.com looks back at the history of spaceflight through photos (archive).

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NASA Archives
NASA Archives
U.S. Space Agency

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