Marines with Company C, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve drive an assault amphibious vehicle from land into the water during a basic operations exercise at the Galveston Marine Corps Reserve, Home Training Center, Aug. 8, 2015. The exercise served as a refresher for the Marines on how to perform basic AAV operations. During the exercise, the Marines drove the AAVs from land to water and performed basic water operations such as left and right turns, forward and reverse, circles and tactic formations. - Marines with Company C, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve drive an assault amphibious vehicle from land into the water during a basic operations exercise at the Galveston Marine Corps Reserve, Home Training Center, Aug. 8, 2015. The exercise served as a refresher for the Marines on how to perform basic AAV operations. During the exercise, the Marines drove the AAVs from land to water and performed basic water operations such as left and right turns, forward and reverse, circles and tactic formations.