Colonel Frederick Drew Gregory is NASA's 1st black shuttle commander. He commanded missions #STS33 on #Discovery, which was a night launch & #STS44 on #Atlantis. Piloting the #Challenger on the #STS51B mission, he amassed 456 hours in space. He has headed many branches of NASA. #FrederickGregory #TheDernTruth #AfroAstronony #20BlackAstronauts #NASA











