Airman 1st Class Chase Maurer, a 28th Aircraft Maintenance Squadron crew chief, reflects on the sacrifices made by service members for Memorial Day weekend at the Black Hills National Cemetery near Sturgis, S.D., May 26, 2018. Memorial Day’s original purpose was to decorate the graves of service members who died in defense of the United States during the Civil War. (U.S. Air Force photo by Airman 1st Class Nicolas Z. Erwin)