WORLDS LARGEST & POWERFUL Artillery Mortar US Military historic footage

A great historic video of the US Military mortar that is considered the largest and most powerful mortar that has ever been built. Little David was the nickname of an American 36 inches (910 mm) caliber mortar used for test firing aerial bombs during World War II, that is one of the largest calibre guns ever built, having a larger calibre than both of Germany's Dora and Gustav which were 31.5 inches (800 mm) railway guns. Great Britain's Mallet's Mortar had an identical calibre. Type Heavy mortar Place of