Popular Mechanics: Watch a AC-130 Gunship Devastate Targets on the Ground with Its Howitzer
The 105mm howitzer is by far the largest gun on any combat aircraft today.
The largest gun attached to any warplane in the world belongs to the new AC-130W Stinger II flying gunship. Its M102 howitzer can fire 105mm high-explosive shells at targets on the ground at a rate of up to ten rounds per minute. Here it is in action:
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