the final set of nets and arrived at their objective within minutes of each other. An alert guard, spotting one of the craft, raised the alarm but, under a heavy counter-attack, X6 managed to get beneath the massive ship and drop two separate explosives - following which she became entangled in underwater nets and had to surrender. X7 also released two charges beneath Tirpitz. but before she could fully escape, the first of the explosives from X6 detonated, and she too was soon forced to surrender. A third submarine was sighted and brought under heavy fire. This was probably X5, which was never seen again.
The attack on Tirpitz was a great success, for although the charges did not sink her, the damage they inflicted resulted in the vessel being towed south for repairs. Here Tirpitz was at last within the range of British bombers, which finally eliminated
