An F/A-18 hornet with Marine Fighter Attack Squadron 115 awaits maintenance during Exercise Max Thunder 14-2, aboard Kunsan Air Base, Republic Of Korea, Nov. 14, 2014. Max Thunder is a semi-annual training event consisting of composite and coalition flight training between the U.S. military and the ROK Force with a main focus on air combat tactics, close air support, and combat search and rescue. - An F/A-18 hornet with Marine Fighter Attack Squadron 115 awaits maintenance during Exercise Max Thunder 14-2, aboard Kunsan Air Base, Republic Of Korea, Nov. 14, 2014. Max Thunder is a semi-annual training event consisting of composite and coalition flight training between the U.S. military and the ROK Force with a main focus on air combat tactics, close air support, and combat search and rescue.