Tech. Sgt. John Dolbee (left) and Staff Sgt. Ben DeSantiago connect a power source to a ground sensor for an enemy movement and detection training scenario Feb. 14 at Bagram Airfield, Afghanistan. The team uses a series of search techniques from simple, eyes-on to ground sensors to track insurgent activity and provide site exploitation after an attack. Dolbee and DeSantiago are 755th Expeditionary Security Forces Squadron Reaper team trackers.