John C. Stennis Space Center employees remove space shuttle main engine run ducts from the A-2 Test Stand engine deck Oct. 25, 2010. Testing of space shuttle main engines concluded in July 2009. Stennis is preparing the A-2 Test Stand for testing the next-generation J-2X rocket engine being developed. Testing of the new engine is scheduled to begin in 2011.

John C. Stennis Space Center employees install a new master interface tool on the A-2 Test Stand on Oct. 27, 2010. Until July 2009, the stand had been used for testing space shuttle main engines. With that test series complete, employees are preparing the stand for testing the next-generation J-2X rocket engine being developed. Testing of the new engine is scheduled to begin in 2011.

John C. Stennis Space Center employees remove one-half of the A-2 Test Stand clamshell used for testing space shuttle main engines. Space shuttle main engine testing concluded July 2009; the A-2 stand now is being prepared for testing the next-generation J-2X rocket engine in development. Testing of the J-2X engine is scheduled to begin in 2011.