.@NASA evaluates whether the Deep Space Gateway's power and propulsion element could be launched on the second joint test flight of SLS, EM-2. via @NASASpaceflight https://t.co/Il9rrLcciY pic.twitter.com/KOb966vOHc

— Coalition for Deep Space Exploration (CDSE) (@XploreDeepSpace) December 7, 2017