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Atlas 5 team scrubs launch to study troublesome valve


Atlas 5 team scrubs launch to study troublesome valve Launch of an Atlas 5 rocket from Cape Canaveral with a U.S. Air Force infrared surveillance satellite was scrubbed Thursday evening after engineers encountered a balky valve associated with the first stage’s liquid oxygen system. United Launch Alliance, a 50-50 joint venture between Boeing and Lockheed Martin, said the problem was narrowed to a ground system at Cape Canaveral’s Complex 41 launch pad. The countdown was paused to allow members of the Atlas 5 launch team to study a stuck fill-and-drain valve needed to fill the rocket’s first stage with liquid oxygen.   More



(Source: SpaceFlight Now - Jan 19)

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