Richard Mastracchio

Richard Alan Mastracchio is an American engineer and former NASA astronaut. He has flown on three NASA Space Shuttle missions as a mission specialist in addition to serving as a flight engineer on the Soyuz TMA-11M long-duration mission aboard the International Space Station. He is currently the senior director of operations for commercial resupply services at Orbital ATK.

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รูปภาพ: NASA · Public domain