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most combat - air superiority, or ground support jets have some form of gun armament; they learned the hard way with missile only armed f4s severely limited the effectiveness the craft.
older version used .30 to .50, with occasional 20mm cannons. most modern variants use 20-30mm electric gatling guns.
older version used .30 to .50, with occasional 20mm cannons. most modern variants use 20-30mm electric gatling guns.