M240B Machine Gunner A soldier fires a M240B machine gun during live-fire machine gun training at Grezelka range, Joint Base Elmendorf-Richardson, Alaska, Feb. 28, 2017. Air Force photo by Justin Connaher SHARE IMAGE: Download Image: Full Size (1.51 MB) Tags: Featured Photos Photo By: Justin Connaher VIRIN: 170228-F-LX370-0575B.JPG Photo Gallery