Members of the 3rd U.S. Infantry Regiment (The Old Guard), Caisson Platoon, carry the casket of Edward W. Brooke III to his graveside service in Section 8 of Arlington National Cemetery March 10, 2015. Brooke was a World War II veteran and the first African-American U.S. senator elected by popular vote. (Joint Base Myer-Henderson Hall PAO photo by Rachel Larue)