(From left) U.S. Air Force Col. Sean Tyler, 633rd Air Base Wing commander, and Tech. Sgt. Talbert, 36th Intelligence Squadron geospatial production analyst, cut the ceremonial ribbon to officially begin the 24-hour vigil run in honor of prisoners of war and those missing in action at Joint Base Langley-Eustis, Va., Sept. 14, 2017. The first two laps are considered honorary and were completed by military distinguished visitors. (U.S. Air Force photo by Airman 1st Class Alexandra Singer) (Photo has been blurred for security purposes)