Tech. Sgt. John Dolbee, Staff Sgt. Ben De Santiago, 1st Lt. Joshua Loomis, and Staff Sgt. Craig Ritter emplace ground sensors for an enemy movement and detection training scenario Feb. 14, 2013 at Bagram Airfield, Afghanistan. The tracker team members are all deployed from the 822nd Base Defense Squadron, Moody Air Force Base, Ga. Dolbee, DeSantiago, Loomis and Ritter 755th Expeditionary Security Forces Squadron Reaper team trackers. (U.S. Air Force photo/Senior Airman Chris Willis)