Master Sgt. James Stamos, 911th Security Forces Squadron mobility and resources noncommissioned officer, runs a mile as part of the Murph Challenge at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, May 26, 2021. The Murph Challenge is a workout challenge that is performed every year around Memorial Day to honor Lt. Michael P. Murphy, a Navy SEAL and Medal of Honor recipient who was killed in action, June 28, 2005. (U.S. Air Force photo by Joshua J. Seybert)