The tunnels of Iwo Jima proved to be so well constructed and elusive that two Japanese naval machine gunners hid out, and survived underground until 1949, four years after the war had ended. BATTLE RATS : Iwo Jima explores this distant island battlefield, above and below ground. Going into places that few have seen or ventured into since the 1945 battle. See for the first time the extensive Japanese tunnel networks, bunkers and fighting positions as they are today some 64 years after the battle.

Military Channel | Wednesday, March 3rd at 10 PM ET check your local listings | TRIO Media Group