Astronaut Bobko assists Astronaut Peterson prior to underwater training

S82-41606 (December 1982) --- Astronaut Karol J. Bobko, left, STS-6 pilot, assists astronaut Donald H. Peterson, STS-6 mission specialist, prior to an underwater training session in the Johnson Space Center?s weightless environment training facility (WET-F). Astronauts F. Story Musgrave and Peterson are scheduled to perform the Space Transportation System?s first extravehicular activity on Challenger?s first flight, slated for early next year. Photo credit: NASA