Smoke Grenades Airmen pack smoke grenades while preparing to conduct military working dog training at Joint Base Elmendorf-Richardson, Alaska, March 17, 2016. The airmen are assigned to the 673rd Security Forces Squadron. Air Force photo by Alejandro Pena SHARE: Download: Full Size (1.53 MB) Tags: K-9 Training, 545th Military Police Company, 673rd Security Forces Squadron, Joint Base Elmendorf-Richardson, military working dogs, Alaska, Soldiers, Airmen Credit: Alejandro Pena VIRIN: 160317-F-YH552-007A.JPG Photo Gallery