A Marine with Alpha Company, 8th Engineer Support Battalion, 2nd Marine Logistics Group watches for suspicious activity from behind debris while on patrol during a Military Operations in Urban Terrain exercise aboard Camp Lejeune, N.C., June 5, 2014. Marines learned MOUT tactics for three days before putting their knowledge to the test in a final exercise, which included patrols, improvised explosive device detection, the clearing of buildings and engaging oppositional forces in urban environments.