Astronaut Steve Bowen Named to STS-133 Shuttle Crew “NASA selected astronaut Steve Bowen as a mission specialist on STS-133, the next space shuttle mission planned for launch on Feb. 24. Bowen replaces astronaut Tim Kopra, who was injured in a bicycle accident over the weekend. The agency will hold a media teleconference at 3:30 p.m. CST on Wednesday, Jan. 19, to discuss the change in crew personnel.”