
NASA conducted a 260-second J-2X engine test at the Stennis Space Center in southern Mississippi on June 13 marking another…

Stennis Space Center engineers and technicians watch as the J-2X powerpack is hoisted into place in the A-1 test stand…

Assembly of the first J-2X, dubbed engine 10001, is in full swing at NASA’s Stennis Space Center. Managed by the…

NASA engineers conducted a 550-second test of the new J-2X rocket engine at Stennis Space Center in Mississippi on July…

NASA engineers conducted a 550-second test of the new J-2X rocket engine at Stennis Space Center in Mississippi on July…

In a brief but dazzling display, a 1.86-second burst of flame emerges from the A-1 test stand during the first…

A burst of flame emerges from the A-1 test stand at Stennis Space Center as NASA kicks off the first…

Stennis Space Center engineers and technicians install the J-2X powerpack into the A-1 test stand in preparation for testing Dec.…

NASA conducted a successful 500-second test firing of the J-2X rocket engine on Wednesday, Nov. 9, marking another important step…

On Dec. 14, NASA engineers conducted their final J-2X engine test for 2011 – the 10th in a series –…