PRODUCTION LINES Defense Secretary Robert M. Gates tours the tactical and combat vehicle production lines with Army Col. Douglas Evans, left, commander of Red River Army Depot, and Davis May, right, Tactical Division chief, during a visit to the depot in Texarkana, Texas, May 2, 2008. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 446326-K-EAH73-369.jpg Photo Gallery