Tirpitz in Norway: X-craft midget submarines raid the fjords, Operation Source 1943

This study explores, in detail, the gripping tale of a handful of British X-Craft submarines which stole into one of the best-protected anchorages of World War II and crippled the great German battleship Tirpitz.

In September 1943, under the cover of darkness, six British midget submarines crept into the heart of enemy territory, penetrating a heavily guarded Norwegian fjord in an attempt to eliminate the threat of the powerful German battleship, the Tirpitz. Numerous previous attempts to at...