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.
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ULA’s Delta 4-Heavy rocket still grounded by launch pad problem
United Launch Alliance engineers have resolved the problem that triggered an abort of a planned Delta 4-Heavy rocket launch Sept. 30, but the company said Friday it is continuing to evaluate a concern with the launch pad swing arm retraction system at Cape Canaveral. ULA said the Delta 4-Heavy’s mission to launch a classified National Reconnaissance Office spy satellite will be postponed beyond next week.

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