170406-M-MZ762-0012 ARLINGTON, Va. (April 6, 2017)Commandant of the Marine Corp Gen. Robert B. Neller salutes as U.S. Marines assigned to Marine Barracks Washington unload the remains of retired Marine Col. John H. Glenn Jr., during his funeral at Arlington National Cemetery in Arlington, Va. 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. Paul A. Ochoa/Released)