Tech. Sgt. Doug Iredale, a special missions aviator with the 4th Special Operations Squadron, marches in the 6th Annual Air Commando Ruck March at Panama City Beach, Fla., April 13, 2017. The Air Commando Ruckers marched 450 miles from MacDill Air Force Base, to Hurlburt Field. (U.S. Air Force photo by Airman 1st Class Joseph Pick)