STS-125 Mission Update – May 6, 2009

Final Preparations for Atlantis and Crew

Final prelaunch operations are under way at NASA’s Kennedy Space Center in Florida as workers at Launch Pad 39A prepare space shuttle Atlantis for flight. The team is performing final closeouts of the main propulsion system, as well as pressurization of the orbital maneuvering system and reaction control system.

Today at NASA’s Johnson Space Center in Houston, Atlantis’ seven astronauts are conducting final reviews of science instrument replacement, repair work and rendezvous procedures for their mission to service the Hubble Space Telescope.

Liftoff is scheduled for May 11 at 2:01 p.m. EDT, and the countdown clock will start at 4 p.m. Friday.