WIKIARCHIVES.SPACE

In the Orbiter Processing Facility at NASAs Kennedy Space Center, astronauts of the second Return to Flight mission, STS-121, look over hardware in Atlantis' payload bay. From left are United Space Alliance trainer Steve Kieffer, Mission Specialist Stephanie D. Wilson and Pilot Mark E. Kelly. The crew is at KSC to participate in the Crew Equipment Interface Test (CEIT). During CEIT, the crew has an opportunity to get a hands-on look at the orbiter and equipment they will be working with on their missions. Mission STS-121 is scheduled to launch aboard Atlantis in July.