Space Launch System GallerySpace Launch System GalleryAs Olympic athletes converge on London with dreams of winning gold in the 2012 Summer Olympic Games, NASA is also...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 -...During the Dec. 1 80-second duration J-2X test firing, NASA began characterizing the rocket engine's combustion stability to understand more...NASA conducted a successful 500-second test firing on the A-2 test stand at NASA's Stennis Space Center. NASA/SSCNASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests...The J-2X fuel pump is the heart of the J-2X engine.During a record-breaking June 8 test, engineers throttled the J-2X powerpack up and down several times to explore numerous operating...During a record-breaking June 8 test, engineers throttled the J-2X powerpack up and down several times to explore numerous operating...jsc2018e010822 - Bundled up against a blizzard, Expedition 55 crewmembers Ricky Arnold of NASA (left), Oleg Artemyev of Roscosmos (center)...The shake, rattle and roar lasted just seven seconds, but the short J-2X test conducted May 16 at NASA's John...NASA conducted a long duration test of the J-2X powerpack, 340 seconds total, at the Stennis Space Center in southern...NASA conducted a long duration test of the J-2X powerpack, 340 seconds total, at the Stennis Space Center in southern...NASA kicked off the next round of testing on the J-2X rocket engine April 26.NASA Administrator Charles Bolden takes an up close look at the first development J-2X engine on the A-2 Test Stand...J-2X engine 10001 is returning back to the A-2 Test Stand at NASA's Stennis Space Center for its second round...J-2X engine 10001 is returning back to the A-2 Test Stand at NASA's Stennis Space Center for its second round...Members of the Space Launch System (SLS) team discuss the machining of an aluminum adapter ring similar to the design...A specialized state-of-the-art milling tool grinds away at an aluminum ring with a diameter of nearly 20 feet at NASA's...As an adapter ring designed for NASA's Space Launch System (SLS) is machined at NASA's Marshall Space Flight Center in...NASA conducted a 260-second J-2X engine test at the Stennis Space Center in southern Mississippi on June 13.During a record-breaking test on June 8, 2012, engineers throttled the J-2X powerpack up and down several times to explore...Dan Mitchell, left, an SLS integrated avionics and software discipline lead engineer and a manager of the Software Development group...Paul Doyle, right, Yvette Binford, center, and Ken King integrate and debug the SLS avionics software. After the Software Avionics...Markeeva Morgan, left, avionics hardware lead for SLS Core Stage element office, and Walter Robinson, command and data handling hardware...Discussing the plan to fine-tune the SLS launch vehicle's flight software are, from left, Kurt Jackson, SLS integrated avionics and...RS-25 series rocket engine No. 2059 is unloaded and positioned at the Stennis Space Center in southern Mississippi on April...RS-25 series rocket engine No. 2059 is unloaded and positioned at the Stennis Space Center in southern Mississippi on April...RS-25 engines, formerly used as space shuttle main engines, line the the Space Shuttle Main Engine Processing Facility at NASA's...Mindy Niedermeyer, chair of the Space Launch System Advanced Development NASA Research Announcement at the Marshall Space Flight Center in...A RS-25 rocket engine arrives at NASA's Stennis Space Center in south Mississippi on Jan. 17 for future testing and...In February 2012, Space Launch System Program Manager Todd May shares SLS progress on the core stage with NASA Deputy...