U.S. Air Force Staff Sgt. Yohance Leslie, 18th Civil Engineer Squadron heating, ventilation, air conditioning and refrigeration craftsman, takes the arm joint of Senior Airman Samuel Schwab, 18th CES HVACR journeyman, during Defensive Fighting Position training on Torii Beach, Japan, March 20, 2014. The 18th CES conducts DFP training every two years to enhance combat capability in a similar environment. (U.S. Air Force photo by Naoto Anazawa)