John Glenn was not popular with the other astronauts. Glenn was the backup pilot for Shepard and Grissom on the first two manned Project Mercury flights, the sub-orbital missions Mercury-Redstone 3 and Mercury-Redstone 4. Glenn was selected for Mercury-Atlas 6, NASA's first manned orbital flight, with Carpenter as his backup. Putting a man in orbit would achieve one of Project Mercury's most important goals. Shepard and Grissom had named their spacecraft "Freedom 7" and "Liberty Bell 7". The numeral 7 had originally been the production number of Shepard's spacecraft, but had come to represent the Mercury 7. Glenn named his spacecraft, number
William St. John Glenn William St. John Glenn William St. John Glenn (1904–1974) was an Irish-British illustrator, painter and comics artist. He was born in Belfast and at sixteen he had his first drawing reproduced in "Ireland's Saturday Night". This early success prompted him to seek a career in art. To gain experience, in 1919, he entered the Artists' Department in a small publishing house, Graham & Heslip Ltd., and for over five years illustrated countless booklets, and did figure sketches in black and white and colour. In May 1926, at the age of 21, Glenn saw his own strip cartoon called "Oscar" appear