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On Launch Pad 39A technicians install three gaseous hydrogen flow control valves on space shuttle Discovery.

NASA

NASA

On Launch Pad 39A at NASA's Kennedy Space Center in Florida, technicians install three gaseous hydrogen flow control valves on space shuttle Discovery. The valves were retested after installation. Part of the main propulsion system, the valves channel gaseous hydrogen from the main engines to the external tank. NASA and contractor teams have worked to identify what caused damage to a flow control valve on shuttle Endeavour during its November 2008 flight. Space Shuttle Program managers decided to replace Discovery's valves with others that have undergone a detailed eddy current inspection. Program managers will review the testing and determine whether to meet on March 6 for the Flight Readiness Review for the STS-119 mission. Launch of Discovery tentatively is targeted for March 12. Photo credit: NASA/Chris Rhodes

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  • Title: On Launch Pad 39A technicians install three gaseous hydrogen flow control valves on space shuttle Discovery.
  • Location: Kennedy Space Center, FL
  • Owner: KSC
  • Album: cbabir
  • About Title: To help you find images you’re searching for, previously untitled images have been labelled automatically based on their description

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