After several delays, a United Launch Alliance (ULA)  Atlas V rocket thundered aloft on time this afternoon (Tuesday) on a mission to deliver a secretive and controversial U.S. Air Force mini-shuttle into orbit. Liftoff occurred at 1:03 pm EST, right at the opening of a five-hour 'launch window', from Space Launch Complex (SLC)-41 at Cape Canaveral Air Force Station [...]

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