Technicians close to the nose gear of space shuttle Atlantis as the shuttle sits at NASA's Kennedy Space Center.

Technicians close the doors to the nose gear of space shuttle Atlantis as the shuttle sits on the orbiter transporter vehicle in Orbiter Processing Facility-2 at NASA's Kennedy Space Center in Florida. The shuttle is being prepared for its move from the OPF to the Vehicle Assembly Building during transition and retirement work. Later, the shuttle will be taken to the Kennedy Space Center Visitor Complex where it will go on public display. Photo credit: NASA/Jim Grossmann