Marines with Support Company, 2nd Combat Engineer Battalion, practice clearing a stairwell of all enemy presence while their squad observes during Basic Urban Skills Training at Fort A.P. Hill, Va., Aug. 6, 2015. The training, which was taught by instructors from the 2nd Marine Division Training Center, was part of the battalion’s deployment for training exercise where the Marines improved the basic infantry skills they might not use on a daily basis. (U.S. Marine Corps photo by Cpl. Michelle Reif/Released) - Marines with Support Company, 2nd Combat Engineer Battalion, practice clearing a stairwell of all enemy presence while their squad observes during Basic Urban Skills Training at Fort A.P. Hill, Va., Aug. 6, 2015. The training, which was taught by instructors from the 2nd Marine Division Training Center, was part of the battalion’s deployment for training exercise where the Marines improved the basic infantry skills they might not use on a daily basis. (U.S. Marine Corps photo by Cpl. Michelle Reif/Released)