U.S. Army Staff Sgt. Christopher Elder, 2nd Battalion, 210th Aviation Regiment instructor, leads members of the Williamsburg Area Chamber and Tourism Alliance Community Leadership Service program on a tour of a UH-60 Black Hawk helicopter trainer model during an installation tour at Fort Eustis, Va., April 1, 2014. During the tour, visitors received a presentation on the many missions performed by various units on the installation. (U.S. Air Force photo by Senior Airman Teresa J.C. Aber/Released)