U.S. Army soldiers with 2nd Platoon, Troop A, 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade Combat Team, provide security during a patrol Dec. 2, 2012 near Forward Operating Base Shank, Afghanistan. The platoon patrolled a local village, monitoring radio frequencies and talking to local Afghans. (U.S. Army Photo by Spc. Alex Kirk Amen, 115th Mobile Public Affairs Detachment)