U.S. Marine Corps Lance Cpl. Patrick Casey, a machine

U.S. Marine Corps Lance Cpl. Patrick Casey, a machine gunner with Fox Company, 2nd Battalion, 8th Marine Regiment, Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa, provides security while his squad crosses an open field during a training exercise at Morón Air Base, Spain, Aug. 24, 2016. The Marines conducted individual and squad level exercises to maintain their basic infantry skills in preparation for future exercises and operations as the crisis response force for U.S. Marine Forces Europe and Africa. U.S. Marines and Sailors assigned to Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa Command support operations, contingencies and security cooperation in the U.S. Africa Command area of responsibility. (U.S. Marine Corps photo by Staff Sgt. Tia Nagle)