U.S. Air Force Manny Quenga, 36th Civil Engineer Squadron heavy equipment operator, mows the Baker landing zone at Tinian, Marianas Islands, Jan. 29, 2015. A crew of Dirt Boys from the 36th CES and local contractors at Tinian cleared the landing zone for COPE NORTH 2015. (U.S. Air Force photo by Senior Airman Desiree Economides/Released)