KENNEDY SPACE CENTER, Fla. – Launch of a Delta 4 rocket carrying the first in a new series of U.S. GPS spacecraft was aborted seconds before liftoff late May 24 from Cape Canaveral Air Force Station, Fla., just prior to main engine ignition. The problem was due to “an anomalous data signature” with the thrust vector control system on one of the two solid rocket motors mounted alongside the 206-foot tall rocket, United Launch Alliance (ULA) said in a statement. “The data signature ...


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