Public domain
KSC-2009-1950
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
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CAPE CANAVERAL, Fla. – On Launch Pad 39A at NASA's Kennedy Space Center in Florida, technicians prepare to 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.
NASA Image and Video Library’s own descriptionCredit lineKSC-2009-1950. NASA/KSC, 2009-03-03. Public domain. ID: KSC-2009-1950.
