WASHINGTON — The days of the AC-130J Ghostrider’s hefty 105mm cannon may be numbered. U.S. Air Force Special Operations Command confirmed to Defense News it is considering removing this ...

The Army is pursuing technology that will tailor cannon artillery, along with hypervelocity projectiles, to air defense missions.

Charging the cannon is done via a Schrader valve, as you might find on a bike’s inner tube, and firing is achieved via a ball valve. Of course, if you build such an air cannon yourself, just be ...