Spc. Matthew Mccullough (background) and Pfc. Nathan Petty (foreground) Cavalry Scouts with B troop, 6th Squadron, 1st Cavalry Regiment, 1st Armored Division pull security Mar. 14 at 303rd Zone Police Headquarters, in Gardez, Afghanistan. “Blackfoot” troop act as Guardian Angels for Advisors during Train Advise and Assist Missions to the 303rd Police Headquarters Zone. (U.S. Army photo provided by Sgt. Christopher B. Dennis, 1st Cavalry Division PAO.)