U.S. Army Sgt. David Pressnell, 1-228th Aviation Regiment flight engineer provides visual aid to his fellow U.S. Army CH-47 Chinook aircrew as the helicopter departs a Honduran base Dec. 17, 2015, in the Gracias a Dios Department (state) of Honduras. The CH-47 served as a transport for Honduran troops traveling to and from various outposts in the remote region to help disrupt the flow of illicit materials. (U.S. Air Force photo by Capt. Christopher Mesnard/Released)