Hugging the north shore, X-6 dived to pass under the nets, which were believed to have been no deeper than 60 feet. But after several attempts at various depths, it was realized that the mesh went all the way to the bottom. The Admiralty intelligence was wrong, and now, at this critical moment, there was no way through. The latest setback came as a body blow, but Cameron, dizzy with fatigue, would not let the mission end like this. His blood was now boiling, and he was determined to find another way in. He brought the vessel to periscope depth once again to check the boat gate located close to the shore and spied a picket launch about to pass through.
With a reckless disregard for the danger, Cameron surfaced into the wash of the small boat. The ploy had succeeded at the entrance to Kaafjord, and maybe it would work again. Quickly juggling the pump controls, the crewmen motored through the gate in broad daylight right behind the picket boat, bumping and scraping the bottom as they did. Surely, this time their boldness would be their undoing, but, remarkably, they made it through unnoticed. As the boom gate closed behind them, Cameron took X-6 down into deeper water and set a course that would take them under the stern of the Tirpitz.
Like silent assassins sliding through the shadows, they inched their way through the frigid waters to within striking distance of their target. Suddenly the X-6 ran aground and momentarily broke the surface less than 200 yards from the battleship. The disturbance was seen by a lookout, but British luck continued to hold when the sighting was dismissed as being merely a porpoise and no alert was raised. The German sailors on Tirpitz had endured many false alarms over the years and now avoided instigating them for fear of ridicule.
Inevitably, though, Cameron’s run of luck finally ended a few minutes later when X-6 careered into a submerged rock that wrecked the gyrocompass and thrust the vessel to the surface 80 yards abeam of the ship. There was no mistaking what she was this time, but the sighting of X-6 caused considerable confusion aboard the Tirpitz. An incorrect alarm sent men scurrying to secure watertight doors instead of their action stations, and vital minutes were lost before the correct submarine alert was sounded. Even then, few senior officers believed a submarine could have gotten through. The X-craft was too close for the ship’s big guns to depress sufficiently to engage her, so crewmembers opened fire with small arms and threw grenades.
Now the crew of X-6 knew that the Germans were aware of their presence. They no longer had to worry about what might happen; it was now a matter of completing their mission before it did happen. Being in the line of fire threw off the fatigue that had enveloped Cameron’s men and rekindled their determination to hit back. They too had powerful weapons, and they were now intent on using them.
Placing the Charges
As bullets churned up the water around the vessel, Cameron quickly dived, but with the periscope now almost completely inoperable and the gyrocompass out of action, he had no idea which way he was heading. Oblivious to the chaos unfolding above him, he blindly groped his way toward what looked like the shadow of the ship but fouled a wire hanging over the side and was stuck fast. After desperate maneuvering, the submarine broke free of the snag only to shoot to the surface again close to the port bow. Undaunted by the hail of bullets once again striking the hull, Cameron took the submarine down and backed her under the Tirpitz where he quickly released the charges beside B Turret.
With no hope of escape, the exhausted crew destroyed its secret documents and equipment. As the sailors brought X-6 to the surface to surrender, Cameron ordered her sea cocks opened and her motor left running full astern with the hydroplanes to dive. As they opened the hatch, the firing immediately stopped and the men scrambled onto the deck. A launch from the ship was soon alongside to pick them up, and a German officer tried to secure a tow to the X-craft but the line was hastily cut as the submarine began to sink, almost taking the launch down with her.
The four prisoners were taken to the ship, and to the surprise of the Germans, smartly saluted the colors as they stepped onto the deck. Under guard, they stood huddled together looking bedraggled and physically spent, wondering what the future held for them as the minutes ticked by. On the express orders of the Tirpitz’s commander, Captain Hans Meyer, the men were immediately given coffee and schnapps.
Meanwhile, at almost the same instant Cameron and his crew were scuttling their vessel, Lieutenant Place in X-7 was sitting astern of the Tirpitz, preparing to offload his deadly cargo. Earlier in the morning, he had literally climbed over the nets at Kaafjord but had soon become entangled in the netting around Lutzow’s empty birth. After struggling desperately for an hour, Place finally broke free only to become entangled in Tirpitz’s netting. The violent effort undertaken to break loose had damaged his gyrocompass, and the craft broke the surface at 0710.