SFS uses FTX, trains for real world scenarios
Staff Sgt. Jonathan Lee, 51st Security Forces Squadron military working dog handler, instructs Airman 1st Class Jason Ashley, 51st SFS entry controller, on how to properly fill out a range card for the defense fighting position at the Rush Park and Life Support site at Osan Air Base, Republic of Korea, April 15, 2014. Range cards inform Airmen of different avenues of approach and distance between objects. (U.S. Air Force photo by Senior Airman David Owsianka)