JTACs
Lt. Col. Brian Filler (left) and Tech. Sgt. Jonathan Oliver prepare to sleep in austere conditions upon a remote mountaintop March 28, 2011, during Operation Bull Whip in Laghman province, Afghanistan. Colonel Filler is an air liaison officer. Sergeant Oliver is a joint terminal attack controller. Both Airmen are assigned to Bagram Airfield's 817th Expeditionary Air Support Operations Squadron, and were responsible for controlling air assets during the clearing operation. (U.S. Air Force photo/Capt. Erick Saks)