America cheered. Here's how Boris Artzybasheff celebrated John Glenn's three orbits around the Earth.
Here Glenn, on left, helps an unidentified NASA technician invert Wally Schirra, a fellow Project Mercury astronaut. (During training in a pool, water had entered his modified Goodrich Mark IV pressure suit.)
Edited to add: Collectspace offers an interesting article on the secret space stamp of 1962.