RS-25 controller tested

STENNIS SPACE CENTER, Miss. – NASA followed up the first RS-25 test of 2018 with a second hot fire of the Space Launch System (SLS) engine Thursday. The full-duration, 365-second certification test of another RS-25 engine flight controller on the A-1 Test Stand at comes about two weeks after a Jan. 16 hot fire. The test marks completion of green run testing for all four of the new RS-25 engine flight controllers needed for the second flight of NASA’s SLS rocket. NASA is building SLS to send humans to such deep-space missions. Exploration Mission-1 (EM-1) will test the new rocket and carry an uncrewed Orion spacecraft into space beyond the moon. EM-2 will be the first flight to carry humans aboard the Orion spacecraft, returning astronauts to deep space for the first time in more than 40 years. RS-25 controllers for the EM-1 flight already are installed on the engines that will be part of the SLS core stage. (Source: NASA/SSC, 02/01/18) Previous