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.
Milt Heflin James Milton Heflin Jr. (b. May 28, 1943 in Fairfax, Oklahoma) is a retired NASA official, who recently served as the associate director for technical activities at Johnson Space Center in Houston. Heflin also served as lead flight director for seven high-profile space shuttle missions, including the first to service and repair the controversial Hubble Space Telescope and three that deployed inter-planetary probes.