U.S. Marine Maj. Yongjin Chang, the officer in charge of 4th Air Naval Gunfire Liaison Company, Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command, discusses range boundaries and target sets during a close air support exercise while forward deployed to the Middle East, Dec. 14, 2016. 4th ANGLICO, M Detachment, an all Reserve unit based out of West Palm Beach, Florida, is currently forward deployed in the Middle East with Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command. M Detachment is comprised of forward observers, radio operators, joint fires observers, artillery officers and a corpsman, all of which play an important role in the SPMAGTF’s crisis response mission. (U.S. Marine Corps photo by Cpl. Shellie Hall) - U.S. Marine Maj. Yongjin Chang, the officer in charge of 4th Air Naval Gunfire Liaison Company, Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command, discusses range boundaries and target sets during a close air support exercise while forward deployed to the Middle East, Dec. 14, 2016. 4th ANGLICO, M Detachment, an all Reserve unit based out of West Palm Beach, Florida, is currently forward deployed in the Middle East with Special Purpose Marine Air-Ground Task Force-Crisis Response-Central Command. M Detachment is comprised of forward observers, radio operators, joint fires observers, artillery officers and a corpsman, all of which play an important role in the SPMAGTF’s crisis response mission. (U.S. Marine Corps photo by Cpl. Shellie Hall)

Coalition medical personnel treat a simulated casualty during a mass casualty exercise at an undisclosed location in Southwest Asia, Dec. 23, 2015. The training familiarized U.S. joint services and partner nations with various techniques and procedures while simultaneously handling multiple casualties. (U.S. Marine Corps photo by Lance Cpl. Clarence Leake/Released) - Coalition medical personnel treat a simulated casualty during a mass casualty exercise at an undisclosed location in Southwest Asia, Dec. 23, 2015. The training familiarized U.S. joint services and partner nations with various techniques and procedures while simultaneously handling multiple casualties. (U.S. Marine Corps photo by Lance Cpl. Clarence Leake/Released)