J-2X Engine No. 10002 during its final 330-second hot-fire test on the A-1 test stand at NASA’s Stennis Space Center in September 2013. NASA and Aerojet Rocketdyne have completed the J-2X hot-fire testing campaign earlier this year, with the last tests on engine No. 10003. Image Credit: NASA/Stennis Space Center
During his testimony […]