U.S. Marine Corps Col. William Hooper, Assistant Chief

U.S. Marine Corps Col. William Hooper, Assistant Chief of Staff G-3 Operations, Marine Wing Headquarters (MWHS) 3, 3rd Marine Aircraft Wing (3rd MAW), left, Col. Adam Holmes, 3rd MAW Chief of Staff, and Retired Lt. Gen. Bruce Knutson, Senior Mentor for the Marine Corps Marine Air Ground Task Force Staff Training Program, participate in a commander update brief during Marine Expeditionary Force Exercise (MEFEX) 1-15 at Marine Corps Air Station Miramar, San Diego, Calif., Feb. 18, 2015. MEFEX is conducted to strengthen interoperability across the Marine Air Ground Task Force. (U.S. Marine Corps photo by Cpl. Allison J. Herman, 3rd MAW Combat Camera/Released)