U.S. Army Spc. Cory Thompson, right, and Sgt. Christopher Kaiser conduct a technical inspection on a RQ-7B Shadow unmanned aerial vehicle inside a hangar at Combat Outpost Xio Haq. During the maintenance of the aircraft they look for deficiencies like the wear of cables, replace the air filter and spark plugs. Both serve as unmanned aircraft systems repairers, assigned to Company A, 4th Brigade Special Troops Battalion, 4th Brigade Combat Team, 1st Cavalry Division.