https://www.youtube.com/watch?v=Rc4NV0pn_S0

This Is America’s Lethal AC-130 Gunship on Steroids Has 25mm Gatling Gun and 40mm Weapons

The AC-130 “Spooky II” gunship is a standard C-130 transport aircraft engineered for close-air support combat. Its 105mm gun, called a M102 Howitzer, fires 33-pound high explosive shells at a firing rate of 10-round a minute, according to a report in Popular Mechanics. The weapon has a range up to seven miles and is the largest gun ever operated from a US Air Force aircraft.