NASA flight director Mike Sarafin describes the timeline of Orion Exploration Flight Test 1, the crew capsule’s first space mission set for launch Dec. 4 on a United Launch Alliance Delta 4-Heavy rocket. The test flight will verify the craft’s heat shield, computers and avionics, and key separation events to be used on piloted missions to deep space.
Delta 4
Five more Delta 4-Heavy flights in ULA backlog after final “single stick” launch
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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