Four of the engines, formerly known as space shuttle main engines (SSME), will help power the SLS core stage. The engines NASA will use for the initial SLS missions are from the 16 flight articles ...

The Space Shuttle, despite two very traumatizing accidents, is without a doubt one of our species' most successful family of otherworldly vehicles. Introduced in 1981, the family flew a total of ...

Mounted at the bottom of the core stage are four RS-25 engines—formerly called the Space Shuttle Main Engine (SSME)—supplied by Aerojet Rocketdyne. Originally designed in the 1970s ...

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 ...

(NASA photo / Tom Farrar, Scott Haun, Raphael Hernandez) Each space shuttle was equipped with three RS-25 main engines, guzzling liquid oxygen and hydrogen from the orange external tank as they ...

returned to its primary business today, testing space shuttle main engines. Engineers successfully test-fired an engine for 520 seconds; the time it takes a shuttle to reach orbit. Today’s ...

to maintain the agency’s fleet of space shuttle main engines until the orbiter is retired in 2010. The contract began on April 1, 2006. It is scheduled to conclude Sept. 30, 2010. The $975 ...

A notable exception is the space shuttle main engine, designed and built by Rocketdyne, at that time a division of Rockwell International. Because most photos of the shuttle show a remote view of ...

One effect of the short was a loss of power to the Space Shuttle Main Engine (SSME) controllers. According to Hale: "The A computer on the Center SSME lost power, never to be recovered.

This is a Request for Information (RFI) only and does not constitute a commitment, implied or otherwise, that the National Aeronautics and Space Administration (NASA) will take procurement action ...

The RS-25s are refurbished engines left over from the Space Shuttle program. During that era, technicians swapped out main engines several times when the shuttle was on the launch pad. NASA ...