Light the candles because NASA’s Commercial Crew Program is three years old! The past three years have seen CCP and its industry partners make huge strides toward crewed spaceflight. The by-no-means-complete highlights include, from left, Blue Origin’s testing of its BE-3 engine, Boeing’s software evaluations using its new CST-100 simulator, Sierra Nevada Corporation’s glide tests of the Dream Chaser and parachute drop tests conducted by SpaceX. There is plenty of work to be done before any of them make their first flights with people on board, but the time to that milestone gets shorter every day.
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Happy Birthday NASA in advance.