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
John Glenn (judge) served on the court until his death. Glenn purchased and expanded his brothers slave farm estate Hilton near Catonsville, Maryland in 1842. He entertained Robert E. Lee as a guest several times and lived there until his death. The estate is currently part of the Community College of Baltimore County, with the majority of the original property subdivided for housing developments. John Glenn (judge) John Glenn (October 9, 1795 – July 8, 1853) was a Maryland attorney and federal judge. Born in Elkton, Maryland, Glenn read law to enter the bar in 1817. He was in private practice in Baltimore,