We demonstrated the ability to transition the engines to the landing propellant tanks, the subsonic reentry looked very good and stable, we've just got to work on that landing a little bit.

John Insprucker

John L. Insprucker (born October 7, 1956) is an American aerospace engineer and retired Air Force colonel currently working at SpaceX as a Principal Integration Engineer. He is honored on the National Air and Space Museum's Wall of Honor.In 1978, at age 22, Insprucker joined the U.S. Air Force Reserve Officers Training Corps program at the University of Michigan. He spent his entire career dedicated to space launch operations, space rocket development and spacecraft development and deployment, even doing a five-year service between 2000 and 2005 at Vandenberg Air Force Base Space Launch Complex-4, which is currently being leased out to SpaceX.

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