Smoking Gun Air Force Airman 1st Class Isaiah McKee clears a M240B machine gun during a live-fire training at Grezelka range, Joint Base Elmendorf-Richardson, Alaska, Oct. 27, 2016. McKee is an installation entry controller assigned to the 673rd Security Forces Squadron. Air Force photo by Alejandro Pena SHARE: Download: Full Size (1.99 MB) Tags: air force, training, airmen Credit: Alejandro Pena VIRIN: 161027-F-YH552-062A.JPG Photo Gallery