U.S. Air Force Capt. Chris, 391st Expeditionary Fighter Squadron F-15E Strike Eagle weapon system officer, inserts a 15 round 9mm ball magazine into a M9 Beretta at an undisclosed location in Southwest Asia, Dec. 25, 2015. Chris is issued the side arm, along with other survival equipment, prior to each combat sortie in the fight against Daesh. (U. S. Air Force photo by Tech. Sgt. Frank Miller/Released)