The original full-length episodes of the award-winning series made exclusively for television and containing actual live action footage. The videos introduce the campaigns and action of World War II, concentrating on battles and action at sea.

Dive! World War II Stories of Sailors & Submarines in the Pacific tells the incredible story of America's little known "war within a war" -- US submarine warfare during World War II. Following the attack on Pearl Harbor, the US entered World War II in December 1941 with only 44 Naval submarines -- many of them dating from the 1920s. With the Pacific battleship fleet decimated after Pearl Harbor, it was up to the feisty and heroic sailors aboard the...

During World War II, a group of Navy men are sent to steal Enigma (the nazis' top-secret decoding device). When their own ship is destroyed, they must secretly make their way through hostile waters in a severely damaged Nazi U-boat to safety with the device.

The author continues his study of early twentieth-century military and naval history in an analysis of the confrontation between the two most powerful navies in the world as the British and Germans clashed at sea during World War I.

Churchill admitted after World War II, 'The only thing that ever really frightened me during the war was the U-boat peril.' Take a look at the German U-boats - and how they almost were the deciding factor in World War II - in this BBC documentary.