STS-125 Mission Specialist John Grunsfeld takes hold of one of the cameras to be used on the mission.

In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-125 Mission Specialist John Grunsfeld takes hold of one of the cameras to be used on the mission. Behind him are Mission Specialists Mike Good (left) and Andrew Feustel (right). 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