Marine Special Operations School Individual Training Course students ruck through thick vegetation during Field Training Exercise Raider Spirit, May 1, 2017, at Camp Lejeune, N.C. For the first time, U.S. Air Force Special Tactics Airmen spent three months in Marine Special Operations Command's Marine Raider training pipeline, representing efforts to build joint mindsets across special operations forces. (U.S. Air Force photo by Senior Airman <PERSON>)