The world’s most powerful rocket, designed for future manned spaceflight, had a successful startup test this week – the latest milestone for NASA’s Space Launch System. This final qualification ground test at an Orbital ATK site in Promontory, Utah allows NASA to plan for a first unmanned test flight with its Orion spacecraft in 2018 in preparation for future missions to Mars.
Source: avwebNASA's Biggest Rocket Completes Final Ground Test