U.S. Marine Corps Gunnery Sgt. Carlos Jarquin, a supply

U.S. Marine Corps Gunnery Sgt. Carlos Jarquin, a supply chief with Special Purpose Marine Air-Ground Task Force Crisis Response-Africa, blocks a punch and performs a forward knife thrust at Naval Air Station Sigonella, Italy, Oct. 5, 2016. Marines with SPMAGTF-CR-AF completed a three-week long brown belt course for the Marine Corps Martial Arts Program. 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 Cpl. Alexander Mitchell)