The 105mm howitzer is by far the largest gun on any combat aircraft today. ... Its M102 howitzer can fire 105mm high-explosive shells at targets on the ground at a rate of up to ten rounds per minute.

From 1963 to 1970, more than 12,000 M102 light howitzers were produced and used during the Vietnam War. ... The XM102 is the experimental version of the M102 105MM Howitzer.

The family of 105MM light howitzers (M1, M2, M2A1, M101, M102, and M119) traces its history from 1928. The M2A1 was first produced in 1940 and was renamed the M101 after World War II.

The third generation AC-130U - dubbed Spooky - is a heavily armed adaptation of the Hercules transport aircraft equipped with side-firing 105mm howitzer and 40mm Bofors cannons, twin 20mm Vulcan ...