Who was the director of NASA when a United States Marine Corps aviator circled the Earth three times?
John Glenn: John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was a United States Marine Corps aviator, engineer, astronaut, and United States Senator from Ohio. John Glenn:  In 1962 he became the first American to orbit the Earth, circling it three times.
i don't know