Check Six teach deployed service members combatives
Senior Airman Shannon Holland places Master Sgt. Christopher Knabe in an arm-bar during a Check Six combatives course at the 379th Air Expeditionary Wing in Southwest Asia, June 28, 2013. Holland is a 379th Expeditionary Civil Engineer Squadron third-country national escort deployed from Tinker Air Force Base, Okla., and Knabe is the 379th AEW Force Protection superintendent deployed from Misawa Air Base, Japan. (U.S. Air Force photo/Senior Airman Bahja J. Jones)