The 721,000-pound United Launch Alliance Delta 4 rocket launches on-time at 2:36 p.m. EDT into a deck of low-hanging clouds over Complex 37 at Cape Canaveral Air Force Station carrying the GPS 2F-9 navigation satellite.
Credit: Tim Dodd Photography

The 721,000-pound United Launch Alliance Delta 4 rocket launches on-time at 2:36 p.m. EDT into a deck of low-hanging clouds over Complex 37 at Cape Canaveral Air Force Station carrying the GPS 2F-9 navigation satellite.
Credit: Tim Dodd Photography

The last Delta 4 launcher to fly in a single-core configuration rumbled into space Thursday morning from Cape Canaveral with a GPS navigation satellite, leaving United Launch Alliance with five more Delta 4-Heavy missions on contract through late 2023 before the Delta rocket family retires from service.
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