(Right to left) 1Lt Daniel Qualls, 818th Contingency Response Group intelligence officer, and Master Sgt. Tom Woller, 818th CRG maintenance senior non-commissioned officer, grapple during a combative training exercise that was part of the Defensive Operations Course held here Jan. 12-15. The DOC taught Contingency Response Airmen valuable force protection skills that may be needed when deployed to high threat locations for contingency operations. (U.S. Air Force photo/1st Lt. Dustin Doyle)