Tech. Sgt. Jacob Johnson, 363rd Training Squadron F-22 armaments apprentice course instructor, shows his students how to attach the barrels of an F-22 Raptor's 20mm gattling gun at Sheppard Air Force Base, Texas, Oct. 12, 2018. The students must attach six barrels to the gun and must angle it perfectly to fit in the base. This gun can shoot up to 6,000 rounds per minute. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)

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Photo by: Airman 1st Class Pedro Tenorio |  VIRIN: 181012-F-YT646-1025.JPG