354th SFS Mark 19 training
Airmen from the 354th Security Forces Squadron gather at the combat arms range to conduct training on the Mark 19 grenade launcher Sept. 9, 2015, at Eielson Air Force Base, Alaska. To be qualified on the weapon members of the squadron must show proficiency annually. (U.S. Air Force photo by Staff Sgt. Shawn Nickel/Released)

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Photo by: Staff Sgt. Shawn Nickel |  VIRIN: 150909-F-FT438-132.JPG