Sgt. Misa, a military working dog with the Tactical Explosive Detection Dog program assigned to 3rd Brigade Combat Team “Rakkasans,” 101st Airborne Division (Air Assault), jumps over a wall of an obstacle course during a demonstration on Forward Operating Base Salerno, Afghanistan, Feb. 26, 2013. The obstacle course is designed to test the dogs possible deployment scenarios, as well as keep them physically fit for duty. (U.S. photo by Spc. Brian Smith-Dutton Task Force 3/101 Public Affairs)