Tech. Sgt. Brian Sweeney, 100th Operations Support Squadron NCO in charge of combat crew communications, demonstrates a combative technique to students during a combatives class, on RAF Mildenhall, England, Aug. 16, 2017. The combatives training class has been offered since October 2016 with the goal of giving students skills to defend themselves. (U.S. Air Force photo by Airman 1st Class Alexandria Lee)