At 7:05 a.m. Thursday, the unmanned Orion test vehicle is scheduled to lift off from Cape Canaveral Air Force Station atop a Delta IV Heavy rocket to begin a two-orbit, four-and-a-half hour mission called Exploration Flight Test-1.
Our colleagues at WFIT, the NPR station affiliated with the Florida Institute of Technology in Melbourne, put together this video explaining the importance of the mission and how it fits in to NASA and commercial space launch plans.
http://youtu.be/6wD2xQmer10