The Churchill Gun Carrier was a tank destroyer built on the chasis of the Churchill tank; formaly known as the A22D, Churchill 3 inch Gun Carrier. The vehicle had a fixed 88 mm (3.5 in) thick superstructure with it’s main gun in a ball mount. The main armament was a 3 inch anti-aircraft gun, however obsolete for it’s time. As many as 50 Churchill Gun Carriers were built from 1941 to 1942, during the Second World War, however none saw any action.
1. “Churchill tank.” Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc., 17 Oct 2013. Web. 22 Oct 2013. <http://en.wikipedia.org/wiki/Churchill_tank>.