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
Glenn Andreotta risk of their personal safety that guided these soldiers to do what they did," then-Major General Michael Ackerman said at the ceremony. The three "set the standard for all soldiers to follow." Additionally on March 10, 1998, Senator Max Cleland (D-GA) entered a tribute to Thompson, Colburn and Andreotta into the record of the U.S. Senate. Cleland said the three men were, "true examples of American patriotism at its finest." His name appears on the Vietnam Veterans Memorial Wall on panel 48E, line 50. In 1999, his name was among nearly a million sent aboard the Stardust spacecraft. Glenn Andreotta