Stock Photo - 08/16/2002 __ The first Space Shuttle Main Engine SSME is installed on Space Shuttle Atlantis following the welding repair of the propulsion system flow liners as preparations to launch mission STS_112 continue. Sitting atop the engine is Angela DiMattia, the move director for Rocketdyne. Just behind and below her is Rocketdyne employee Brickford Lero, offering some additional guidance. Mission STS_112 is an assembly flight to the International Space Station and is targeted for launch no earlier than Sept. 28, 2002. Members of the STS_112 crew are Commander Jeffrey Ashby, Pilot Pamela Melroy, and Mission Specialists David Wolf, Piers Sellers, Sandra Magnus, and Fyodor Yurchikhin of the Russian Space Agency.