U.S. Army Maj. Tim Shelby, 689th Rapid Port Opening Element commander, keeps a tally of the pull ups, push-ups, and air squats he has completed during the Murph Challenge at Joint Base Langley-Eustis, Virginia, May 22, 2023. Usually held on or near Memorial Day, people from across the world show up to honor the fallen U.S. Navy SEAL, Lt. Michael P. Murphy, and all those who have given their lives in service to their country. (U.S. Air Force photo by Senior Airman Anna Nolte)