Airman Shomari Montague, left, and Airman Miles Bussey, 363rd Training Squadron F-22 armaments apprentice course students, assemble an F-22 Raptor's 20mm gattling gun at Sheppard Air Force Base, Texas, Oct. 12, 2018. Bussey and Montague are tightening the center clamp that holds together the six barrels of the gun. Once they are finished assembling a gun the armaments students will test it before giving it the seal of approval to be installed onto an F-22. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)