Glenn flew NASA's Friendship 7, a Mercury-Atlas 6 spacecraft, to about 162 miles in altitude, going at a maximum orbital __________________________ of about 17,500 miles per hour. This mission orbited the __________________________ 3 times and lasted 4 hours, 55 minutes, and 23 __________________________, from launch to impact in the Atlantic __________________________. This was the first US manned orbital __________________________.

Glenn was __________________________ on July 18, 1921, in Cambridge, __________________________. He graduated from Muskingum College in New Concord, Ohio, receiving a Bachelor of Science degree in engineering. He and __________________________ Margaret Castor married, and they had two children. In 1943, Glenn was commissioned in the Marine __________________________ and joined Marine Fighter Squadron 155; he flew F-4U fighter planes on 59 combat missions in the Marshall Islands (in the Pacific Ocean) during World War 2. He also flew 63 missions with Marine Fighter Squadron 311 during the __________________________ War. After attending the Naval Air Test Center at Patuxent River, Maryland, Glenn became a __________________________. Glenn retired a Colonel in the US Marine Corps on January 1, 1965.

Glenn was the US __________________________ from Ohio from November, 1974 until January, 1999. In 1998, 36 years later, Glenn flew a 9-day mission on the Space __________________________ STS-95 Discovery (October 29 to November 7, 1998). During this mission, the crew and spacecraft orbited the Earth 134 times, traveling 3.6 million miles in 213 hours and 44 minutes.