Social News24 February 2017 NASA to Hold Media Teleconference Today on Study to Add Crew to First Orion, Space Launch System Mission NASA will discuss plans for an ongoing study to assess the feasibility of adding a crew to Exploration Mission-1, the first integrated flight of NASA’s Space Launch System (SLS) rocketContinue readingNASA to Hold Media Teleconference Today on Study to Add Crew to First Orion, Space Launch System Mission