Photo Credit: Staff Sgt. Alexander Burnett, 7th Sustainment Brigade
Sgt. Maj. of the Army Raymond Chandler III, left, listens to an explanation of the Army warping tug from Sgt. Juan Vivar, right, a warping tug coxswain assigned to the 331st Transportation Company, 10th Transportation Battalion, 7th Sustainment Brigade, during a visit to 3rd Port on Fort Eustis, Va., June 5, 2012.