Delta IV rocket blasts off with navi-satellite

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A United Launch Alliance Delta IV spacecraft is being launched into orbit on Thursday from the Cape Canaveral Air Force Station in Florida. It’s carrying the seventh Wideband Global SATCOM (WGS-7) satellite, which will provide navigational assistance to the US military. The launch of WGS-7 is the 30th Delta IV mission since it first flew in 2002.