A Marine with Charlie Company, 1st Battalion, 8th Marine Regiment sights in during the defensive phase of the Battalion Assault Course, the culminating event for Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Nov. 6, 2015. The BAC assessed a battalion’s ability to conduct offensive and defensive operations integrating elements from the Air Combat Element and Logistics Combat Element. - A Marine with Charlie Company, 1st Battalion, 8th Marine Regiment sights in during the defensive phase of the Battalion Assault Course, the culminating event for Integrated Training Exercise 1-16 aboard Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., Nov. 6, 2015. The BAC assessed a battalion’s ability to conduct offensive and defensive operations integrating elements from the Air Combat Element and Logistics Combat Element.