CNN: It's the biggest countdown for NASA since the shuttle era ended in 2011. The space agency's new Orion spacecraft is scheduled to lift off on an uncrewed test flight at 7:05 a.m. ET Thursday from Space Launch Complex 37 at Cape Canaveral, Florida.
"We haven't had this feeling in awhile, since the end of the shuttle program," Mike Sarafin, Orion flight director at Johnson Space Center, said in a preflight briefing on Wednesday. He said it's the beginning of something new: exploring deep space.
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