The complete T72 carriage and T131 gun combined into the M65 280-mm heavy motorized gun, affectionately known as “Atomic Annie” – the world’s first atomic artillery piece.

The Heavy Gustav, a colossal 800mm caliber railway gun, stands as one of the most terrifying and awe-inspiring weapons ever built. Weighing a staggering 1,350 tons and capable of firing a 7-ton ...