Summary and Key Points You Need To Know: The A-10 Thunderbolt II, known as the Warthog, is equipped with the GAU-8 Avenger, a 30mm rotary cannon capable of firing 4,200 rounds per minute ...

It’s the A-10’s primary weapon, the powerful 30 mm GAU-8/A Avenger Gatling gun. Without this Gatling gun, the A-10 would be far less impressive and could be retired without a second thought.