Space.com Putting Astronauts on SLS Debut Flight Sparks Safety Group’s Concern 24 February 2017 fborgosano Leave a comment Share: A safety oversight panel expressed concern Thursday (Feb. 23) about an idea, currently being studied by NASA, to put astronauts aboard the first flight of the heavy-lift Space Launch System rocket. from Space.com bit.ly/2l7I6dn Share: