Now that space shuttle Endeavour has completed its roll from the Vehicle Assembly Building to Launch Pad 39A at NASA’s Kennedy Space Center early this morning, technicians now are preparing the shuttle for flight.
Today, workers at the pad will be connecting the Ground Umbilical Carrier Plate (GUCP) hydrogen gas vent line to Endeavour’s external fuel tank and will perform an Auxiliary Power Unit "hot fire" that will test the power-producing system for the spacecraft’s hydraulics.
Meanwhile, at NASA’s Johnson Space Center in Houston, the six STS-134 astronauts are rehearsing ingress/egress procedures for launch and launch scrub, and they will be in Johnson’s Virtual Reality lab for with robotics training.
Endeavour’s STS-134 mission is targeted to launch at 7:48 p.m. EDT on April 19.