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. John Glenn:  In 1962 he became the first American to orbit the Earth, circling it three times.
i don't know