Tags: Weapon.
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 caliber guns ever built having a larger caliber than both of Germany’s Dora and Gustav which were 31.5 inches (800 mm) railway guns. Great Britain’s Mallet’s Mortar had a caliber of the same size.
