View Full Version : Shuttle Discovery Rolls Back to Vehicle Assembly Building

2010-Dec-22, 03:00 PM
Overnight, space shuttle discovery left launch pad 39A and was rolled back to the Vehicle Assembly Building. There, engineers can use digital X-ray equipment to look at the external fuel tank and attempt to determine what caused the tops of two, 21-foot-long support beams, called stringers, on the outside of the intertank to crack during [...]

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