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NASA: Endeavour Will Launch No Earlier Than May 16

At NASA Kennedy Space Center's Launch Pad 39A, a technician inside space shuttle Endeavour's aft section is testing the Load Control Assembly-2 (LCA-2) for replacement. Kim Shiflett/NASA hide caption

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Kim Shiflett/NASA

At NASA Kennedy Space Center's Launch Pad 39A, a technician inside space shuttle Endeavour's aft section is testing the Load Control Assembly-2 (LCA-2) for replacement.

Kim Shiflett/NASA

NASA announced today that the space shuttle Endeavour will not launch earlier than May 16 at 8:56 a.m. ET. Last Friday, NASA scrubbed the launch because a blown fuse prevented heaters on a hydraulic system fuel line from turning on.

Endeavour's STS-134 mission has been closely watched because it will be commanded by Mark Kelly, Congresswoman Gabrielle Gifford's husband, and it is also the penultimate launch of the 30-year-old shuttle program.

"This weekend, technicians will continue to repair and retest electrical circuitry that caused a postponement of Endeavour's April 29 launch attempt," NASA said in a news release.