The Sea Wiz is the affectionate nickname given to a 20mm Vulcan Cannon on board the USS George H.W. Bush aircraft carrier. It fires 4,500 rounds a minute, can hit a target five miles away and has ...

Initially lacking an internal gun, it was later equipped with a 20mm M61 Vulcan cannon to enhance dogfighting capabilities. -The F-4 also served effectively in ground-attack roles but faced ...

21, one pilot opened fire with the Vulcan cannon and found "at least ... altitude of 20,000 feet to 7,000 feet while firing his 20mm cannon. At one point he thought he was hit by a bird strike ...