The countdown to space shuttle Endeavour's launch now is under way. The clocks started counting down on time at 7 a.m. EDT.
Launch teams are not working any issues that would delay liftoff on Monday, May 16 at 8:56 a.m.
Technicians at NASA Kennedy Space Center's Launch Pad 39A are preparing to load the power reactant storage device (PRSD) and Endeavour's external fuel tank with propellants.
A Countdown Status Briefing will be aired live at 10 a.m. on NASA Television and at http:ww.nasa.gov/ntv.
The STS-134 crew woke up at 1 a.m. to continue launch preparations. Commander Mark Kelly and Pilot Greg H. Johnson performed practice shuttle landings this morning in their Shuttle Training Aircraft. The crew will continue to review its Flight Data File and will review its ingress plan with the Vehicle Integration Test Team.