170406-M-LD880-0003 ARLINGTON, Va. (April 6, 2017) Soldiers with the 3rd Infantry Regiment and U.S. Marines from Marine Barracks Washington march in a funeral precession for retired Marine Col. John H. Glenn Jr., during his funeral at Arlington National Cemetery. Glenn passed away Dec. 8, 2016 and was a U.S. Marine aviator who flew 149 combat missions during World War II and the Korean War. He later became a NASA astronaut and was the first man to orbit the earth aboard “Friendship 7” in 1962. He was then elected to the U.S. Senate for the State of Ohio in 1974 and served four consecutive terms. (U.S. Marine Corps photo by Lance Cpl. Stephon L. McRae/Released)