Who was the director of NASA when a United States Marine Corps aviator circled the Earth three times?
D. Brainerd Holmes Dyer Brainerd Holmes (May 24, 1921 – January 11, 2013), known professionally as D. Brainerd Holmes, was an American engineer and business executive. He was perhaps best known for directing NASA's manned spaceflight program from September 1961 to June 1963, when John Glenn made the pivotal first US orbital spaceflight, but Holmes was also the president of international defense contractor Raytheon. He retired from that post in 1986.
Gregory C. Johnson Gregory Carl "Ray J" Johnson (born July 30, 1954), (Capt, USNR, Ret.), is a former American naval officer and aviator, test pilot, aerospace engineer, and NASA astronaut. He spent his military career in both, the United States Navy and the Navy Reserve. He was the Pilot on Space Shuttle mission STS-125, the final Hubble Space Telescope servicing mission.