U.S. Marine Corps Lance Cpl. Brandon Mann uses his automatic rifle's scope to scan the area while providing security with his military working dog, Ty, around the villages of Sre Kala and Paygel in Helmand province, Afghanistan, on Feb. 17, 2012. Mann, a military working dog handler, and Ty, an improvised explosive device detection dog, are assigned to Alpha Company, 1st Light Armored Reconnaissance Battalion.