Spc. James Williams, 18th Combat Sustainment Support Battalion, 16th Sustainment Brigade, refuels a HMMWV in preparation for the first convoy to roll off the port in Gdansk, Poland, March 29, 2017. More than 640 pieces of military equipment, including 311 pieces of rolling stock and 155 containers from 17 active duty, U.S. Army Reserve and Army National Guard units arrived in Gdansk to provide support to Soldiers participating in Atlantic Resolve. (U.S. Army photo by Sgt. 1st Class Jacob A. McDonald)