Iron Tank: The Invasion of Normandy, known as Great Tank in Japan, is a 1988 top-view action shooting game produced by SNK exclusively for the Nintendo Entertainment System. It is based on SNK's 1985 arcade game T.N.K. III. Set during the invasion of Normandy, the player takes control of a commando named Paul (Colonel Ralf in the Japanese version), as he mans the titular Iron Tank to infiltrate the German stronghold.