U.S. Army 1st Sgt. William Terry guides a convoy of Stryker armored fighting vehicles during railhead operations in Konotop, Poland, Jan. 11, 2016. Terry’s unit, Knight Troop, 3rd Squadron, 2nd Cavalry Regiment, will train alongside Polish soldiers for five months in support of Operation Atlantic Resolve. U.S. Army photo by Sgt. Paige Behringer