STS-125 Mission Specialists John Grunsfeld and Mike Good take a close look at the wing on space shuttle Atlantis.

In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialists John Grunsfeld (left) and Mike Good take a close look at the wing on space shuttle Atlantis. Behind them, talking to a technician, are Commander Scott Altman (left), Pilot Gregory C. Johnson (center) and Mission Specialist Andrew Feustel. The crew is at Kennedy for a crew equipment interface test, which provides hands-on experience with hardware and equipment for the mission. Atlantis is targeted to launch on the STS-125 Hubble Servicing Mission 4 on Oct. 8. Photo credit: NASA/Kim Shiflett