United Launch Alliance (ULA) says the upcoming launch of a Delta IV rocket with a GPS III satellite will be retargeted for no earlier than Aug. 22 to allow time for technicians to replace and retest a faulty component in the booster’s upper stages. The problem was discovered during testing at the supplier, which ULA declined to identify. The delay follows the July 11 postponement of an Atlas V, slated to carry the Advanced High Frequency-5 (AEHF) mission, due to the same component ...


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