Space Launch System GallerySpace Launch System GalleryNASA and ATK have conducted three full-scale tests of a five-segment, solid rocket motor at the ATK Aerospace Systems test...ATK of Brigham City, Utah, is performing the first inspections of metal cases that will be used for NASA's Space...Test technicians in ATK's instrumentation room at the Space Launch System booster prime contractor's Promontory, Utah, test facility review data...The avionics subsystem and hardware are cleared for Flight Control Test 1, testing the avionics and controls for NASA's Space...A RS-25D engine in the Engine Processing Facility at Kennedy Space Center, Fla., is awaiting placement in a transportation canister...Technicians oversee the installation of a Pratt Whitney Rocketdyne RS-25D engine into a transportation canister in the Engine Processing Facility...