NASA Astronaut Col. Tyler "Nick" Hague's progress is monitored on video screens during a virtual reality training scenario for use of the Simplified Aid for EVA Rescue (SAFER) pack to return to the International Space Station at the virtual reality lab at Johnson Space Flight Center in Houston, Tex., Apr. 26, 2017. ( Air Force photo by Eddins Jr.)

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Keywords: air, airman, astronaut, force, international, iss, magazine, nasa, space, station