Crew Returns to Johnson -- Techs to Check Out GUCP
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Discovery's liftoff to the International Space Station was postponed because of a leak in the ground umbilical carrier plate (GUCP) at Launch Pad 39A, which prompted a scrub of Friday's launch attempt.
Mission managers also will look at a crack in the external tank foam that developed as supercold liquid hydrogen and liquid oxygen were being drained from the tank -- although the crack did not develop until after the launch attempt was called off.
Discovery's next possible launch opportunity comes Nov. 30 at 4:05 a.m. EST.
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