Operation "Source" (11 September - 5 October 1943)
X-5 on the deck of the depot ship HMS Bonaventure. X-5 onboard the depot ship HMS Bonaventure before the attack on the Tirpitz.
HMS Thrasher with X-5 on tow leawing Loch Cairnbawn on 11 September 1943 to begin operation Source. X-5 made a succesfull passage across the Norwegian Sea but disappeared during the operation. Her fate is unknown. Aerial photograph of Altenfjord and Kåfjord, showing Tirpitz (see arrow) and the approximate route taken by X-5, X-6 and X-7.