NASA details preparations for SLS' and Orion's first flight
 

NASA began preparing for Orion's 2018 maiden flight atop the Space Launch System quite some time ago. Since both Orion and SLS are new technologies, the space agency has been subjecting both to a series of rigorous tests, which it has listed and expl...

https://www.engadget.com/2016/07/28/...-preparations/