NASA Sets May 16 For Final Space Shuttle Endeavour Launch

CAPE CANAVERAL -- NASA managers have set the liftoff of space shuttle
Endeavour for 8:56 a.m. EDT on Monday, May 16. Launch attempts are
available through May 26, except for May 21. The STS-134 mission to
the International Space Station is the penultimate shuttle flight and
the final one for Endeavour.

Space Shuttle Program Launch Integration Manager Mike Moses and
Shuttle Launch Director Mike Leinbach announced the date at a news
briefing Monday from NASA's Kennedy Space Center in Florida. They
also discussed the progress of repairs since Endeavour's launch
postponement on April 29.

A short in the heater circuit associated with Endeavour's hydraulic
system resulted in the launch postponement. Technicians determined
the most likely failure was inside a switchbox in the shuttle's aft
compartment and associated electrical wiring connecting the switchbox
to the heaters. The heater circuits prevent freezing of the fuel
lines providing hydraulic power to steer the vehicle during ascent and entry.

The faulty box was replaced May 4. Since Friday, Kennedy technicians
installed and tested new wiring that bypasses the suspect electrical
wiring and confirmed the heater system is working properly. They also
are completing retests of other systems powered by the switchbox and
are closing out Endeavour's aft compartment.

STS-134 Commander Mark Kelly and his five crewmates are set to arrive
at Kennedy for prelaunch preparations on Thursday, May 12, at
approximately 11 a.m. NASA Television will broadcast the crew's
arrival live. For NASA TV streaming video, downlink and scheduling
information, visit:


The crew will deliver the Alpha Magnetic Spectrometer-2 (AMS) and
critical supplies to the space station, including two communications
antennas, a high-pressure gas tank and additional parts for the
Dextre robot. AMS is a particle physics detector designed to search
for various types of unusual matter. The crew also will transfer
Endeavour's orbiter boom sensor system to the station, where it could
assist spacewalkers as an extension for the station's robotic arm.
For the latest information about the shuttle mission and its crew, visit:



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