by David Alan Johnson

“Frenchy to Blue Jay—I have a possible sound contact,” squawked from USS Guadalcanal’s bridge intercom at 1110 hours. It meant that “Frenchy,” codename for the Destroyer Escort USS Chatelain, had located something during a sonar sweep.

But Captain Daniel V. Gallery, commander of the escort carrier Guadalcanal (BlueJay) was not going to get excited, at least not yet. The sound contact could be a whale, a layer of cold water, or any number of other things. On the other hand, a “possible” was always treated like the real thing until found out to be otherwise.

“Left full rudder,” Captain Gallery ordered. “Engines ahead full speed.” He also sent two other destroyer escorts (DE) in to assist Chatelain, put two of Guadalcanal’s Grumman F4F Wildcat fighters over the sound contact, and “got the hell out of there at top speed.” Gallery knew that an aircraft carrier, even a small escort carrier, would only be in the way if the contact turned out to be a U-boat. “A carrier smack on the scene of a sound contact is like an old lady in the middle of a bar room brawl!” he once remarked. “She’d better move fast and leave room for the boys who have work to do.”

Capt Daniel V. Gallery, commander of the escort carrier USS Guadalcanal, stands in the conning tower of the captured German submarine U-505.
Capt Daniel V. Gallery, commander of the escort carrier USS Guadalcanal, stands in the conning tower of the captured German submarine U-505.

Captain Gallery knew about these things from experience. On his last cruise, Gallery and his hunter-killer group had sunk two U-boats, U-68 and U-515, within the space of 12 hours. He was well versed on how German submarine commanders behaved. This trip had begun on May 15, 1944, when Gallery departed Norfolk, Virginia, aboard Guadalcanal with five destroyer escorts: Chatelain, Pillsbury, Pope, Flaherty, and Jenks. His orders were to take his U-boat hunting group, officially known as Task Group 22.3, out into the Atlantic to look for more enemy submarines.

This time, though, Captain Gallery had something different in mind. During the last cruise, U-515 surfaced right in the middle of the task group. The escorting destroyer escorts hit the U-boat with every caliber gun they had, from five-inch to .50-caliber machine guns, before the boat sank. This gave Gallery an idea. “Suppose we hadn’t been so bloody minded about sinking her,” he thought. Before leaving Norfolk, Gallery assembled the captains of all the escort ships in his group and told them that they would try to capture a submarine, if possible, on this cruise.

If a U-boat came to the surface, as U-515 had done, everyone was to assume that the captain had come up to save the lives of the crew. Instead of sinking it, the destroyer escorts would open up with .50-caliber machine guns. This would keep the crew away from the U-boat’s deck guns and would also “encourage them to get the hell off that U-boat.” After the crew had abandoned the submarine, a boarding party would be sent over to disarm any booby traps, close all scuttling valves, do everything possible to keep the boat afloat, and rig it for towing back to the United States.

From the expression on their faces, Captain Gallery could see that some of the destroyer escort captains thought he must be crazy. Everyone present kept their mouths shut. They all organized boarding parties as ordered and waited to see what might happen.

Taking on water, the U-505 is perilously close to sinking. A towline is delivered from a whaleboat to a boarding party so that the submarine may be taken to safety.
Taking on water, the U-505 is perilously close to sinking. A towline is delivered from a whaleboat to a boarding party so that the submarine may be taken to safety.

Throughout the month of May, the possibility of capturing a U-boat remained a moot point. Captain Gallery’s hunter-killer group looked for submarines in the vicinity of the Cape Verde Islands, but could not find a thing. The results were “unproductive,” Gallery wrote with disgust in his report. Naval Intelligence sent word that a submarine was within 300 miles of the group, and Guadalcanal picked up radio transmissions on the U-boat frequency, but there had been no contacts. By May 30, the ships were all nearing the safe limit of their fuel. Gallery had no choice but to leave the area and head for Casablanca to refuel.

The task group started for Casablanca but kept a lookout for submarines along with way. On the night of June 2, radar contacts were reported about 50 miles east of the group’s position. Encouraged by these reports, Captain Gallery decided to spend another day on the search, even though it meant stretching his fuel.

When the Chatelain reported a possible sound contact at 1110 hours on June 4, Gallery gave the order to investigate the contact. As Guadalcanal left the area, Pillsbury and Jenks rushed over to help Chatelain. Chatelain’s captain fired a salvo of 20 hedgehogs, small, forward-firing depth bombs, and missed the target—if there was a target. At 1116 hours, all doubts ended abruptly. The pilots of the two Wildcat fighters positively identified a submarine running below the surface and advised Chatelain to reverse course toward it. The fighter pilots also fired bursts of machine-gun fire to indicate the submarine’s position.

The captain of the Chatelain followed the pilot’s advice and, aided by the machine-gun fire of the two planes, fired a full pattern of shallow-set depth charges. From the bridge of his flagship, Captain Gallery felt the deck underneath him rock as the depth charges exploded and a dozen geysers sprouted into the air. A minute later, after the explosions subsided, one of the fighter pilots shouted, “You’ve struck oil, Frenchy, sub is surfacing!” As personnel from every ship in the group looked on, the U-boat broke the surface 700 yards from Chatelain. Captain Gallery could see white water pouring from the submarine’s deck and conning tower. He had his quarry.

Crewmen of the destroyer escort Pillsbury are shown celebrating the capture of the submarine U-505. These men were members of the first boarding party to reach the German vessel.
Crewmen of the destroyer escort Pillsbury are shown celebrating the capture of the submarine U-505. These men were members of the first boarding party to reach the German vessel.

The reaction of the destroyer escorts was to start shooting as soon as soon as the boat came up. No one knew for certain whether the U-boat captain had come up to surrender or to fire a spread of torpedoes. Gunners aboard Chatelain, Pillsbury, and Jenks opened fire with a murderous barrage of .50-caliber machine-gun fire along with 20mm and 40mm shells. Larger caliber guns also began shooting but missed their target. The circling Wildcats came down to strafe.

“I Want to Capture That Bastard if Possible.”

Shortly after coming to the surface, the U-boat began to circle to the right, making it look as though she was maneuvering to bring her torpedo tubes to bear. After about two minutes of machine-gun and cannon fire, men began popping out of hatches and jumping into the sea. It was obvious that the submarine had no intention of fighting it out with the group and was getting ready to surrender. Captain Gallery did not want the gunners to sink his prize. He broadcast to the escort ships, “I want to capture that bastard if possible.”

The submarine that Captain Gallery’s task group brought to the surface was U-505, commanded by 40-year-old Oberleutnant Harald Lange. U-505 was a Type IX-C submarine, commissioned at Hamburg on August 26, 1941. It was also the unluckiest boat in the Atlantic force. In fact, U-505 was the Typhoid Mary of Admiral Karl Dönitz’s entire U-boat fleet. Since its commissioning day, the submarine seemed to have developed the knack for having things go wrong.

Actually, U-505’s career had begun on a bright note. In November 1942, just after setting out on her first war patrol, she sank a 7,200-ton British freighter, and she eventually sank a total of eight Allied ships during her operational lifetime. Just two days after sinking her first freighter, however, she attacked another ship with four torpedoes—all four missed and her target got away. This was only the beginning of her bad luck. On the afternoon of November 10, she was depth-bombed by twin-engined aircraft and badly damaged. The captain managed to bring her back to France, but U-505 spent the next seven months in the repair dock.

Oberleutnant Harald Lange commanded the German sub U-505 during the voyage, which resulted in its capture on the high seas in November 1943.
Oberleutnant Harald Lange commanded the German sub U-505 during the voyage, which resulted in its capture on the high seas in November 1943.

Her luck did not improve during her second cruise. Under the command of 24-year-old Peter Zschech, U-505 left Lorient on June 30, 1943, but had come out of the repair dock too soon and was not yet ready for the open sea, forcing a return to Lorient.

Captain Zschech set sail once again on July 3, but three days later the submarine was attacked by three British destroyers off Cape Finisterre. U-505 survived the attack but once again returned to Lorient for major repairs. Her next attempt at a war patrol came in September 1943, when U-505 departed Lorient for the Atlantic shipping lanes. Two days out, one of her diesels locked up. The crew managed to repair the engine, but the main trim pump broke down three days later. Because no spare parts were on board for the pump, Captain Zschech had no choice but to return to Lorient on September 30.

The next cruise was probably the worst of all. With Captain Zschech on board, U-505 sailed for the Caribbean in October 1943. On October 9, the submarine was detected by unidentified Allied warships and attacked with depth charges. During the depth charge barrage, Zschech committed suicide with a handgun. The strain of the attack and the frustration of his failure as captain of U-505 had finally taken their toll. The executive officer assumed command and, as his first duty, buried Zschech at sea. U-505 returned to Lorient on November 7, damaged and without a commanding officer.

Oberleutnant Lange was assigned as U-505’s captain in December. U-boat command hoped that an older and steadier commander might help settle the crew after Captain Zschech’s suicide. Shortly after leaving port, the submarine picked up survivors from a German torpedo boat, T-25, and returned to France. Although this patrol was not nearly the fiasco of the previous cruise, it was still another aborted start. The crew was becoming highly frustrated with aborted war patrols, depth charges, and repair docks.

Captain Lange did not take U-505 to sea again until March 16, 1944. He patrolled the western coast of Africa for Allied shipping but never even spotted a single ship. “The hex is still with us,” a crewman complained. Actually, U-505’s failure to find Allied shipping had nothing to do with luck, bad or otherwise. Allied naval intelligence had been tracking the submarine through her radio transmissions and had diverted all shipping away from her.

German prisoners, survivors of the capture of the U-505 are shown aboard an American warship en route to Bermuda and a POW camp.
German prisoners, survivors of the capture of the U-505 are shown aboard an American warship en route to Bermuda and a POW camp.

At the end of May, Lange decided to return to Lorient—yet another unsuccessful patrol. The boat was low on fuel, the crew was frustrated and in low spirits, and nothing at all had been accomplished in nearly two and a half months. Lange did not know it, but Allied codebreakers were fully aware that he was returning to France and also had a good idea of the course he was taking. Intelligence passed this information along to Captain Gallery and his hunter-killer group. It was U-505 that Guadalcanal was picking up on the U-boat radio frequency.

Captain Lange had no idea that his boat was in danger until the morning of June 4, when the noise bearings of Gallery’s approaching destroyer escorts were picked up. He brought the submarine up to periscope depth and saw what he identified as three “destroyers,” along with another ship that might be an aircraft carrier. Although he ordered an immediate crash dive, the U-boat was convulsed by five explosions before it had the chance to reach a safe depth.

“Water broke in,” Lange reported. “Light and all electrical machinery went off and the rudders jammed.” The Chatelain’s depth charge salvo had found its target. “Not knowing the whole damage or why they continued bombing me,” Lange curiously noted in his report, as though he thought that shooting at his U-boat was bad sportsmanship, “I gave the order to bring the boat to the surface by [com]pressed air.”

As soon as the boat surfaced, Captain Lange was up on the bridge. He saw four U.S. Navy vessels around him, “shooting at my boat with calibre and anti-aircraft [.50-caliber machine gun and 40mm cannon.]” The nearest destroyer escort hit the conning tower, wounding Lange in his legs and also killing his chief officer. Lange ordered a turn to starboard, swinging away from the enemy and giving the American gunners less of a target to shoot at. He also ordered the boat scuttled.

At 1126 hours, 16 minutes after the first possible sound contact, Captain Gallery ordered the task group to cease fire. Immediately afterward, he sent an order over his flagship’s intercom that had not been heard on an American warship since the War of 1812: “Away all boarding parties!”

The first ship to react was the Pillsbury. Her boarding party, led by Lieutenant (j.g.) Albert David, climbed into the ship’s whaleboat and started off for the German submarine, which was still circling to starboard at five or six knots. The event reminded Captain Gallery of a scene from Moby Dick, with a boarding party chasing a U-boat instead of harpooners chasing a whale. It did not take very long for the crew to cut inside the submarine’s circle, overtake the boat, and jump on deck.

Crewman of the torpedoed liberty ship SS Thomas McKean request supplies from the U-505 as they pull alongside the surfaced submarine in their lifeboat.
Crewman of the torpedoed liberty ship SS Thomas McKean request supplies from the U-505 as they pull alongside the surfaced submarine in their lifeboat.

Now that they were actually on board the submarine, Lieutenant David and two other men had to take control of it. The only German they saw was dead, lying face down alongside the conning tower hatch. With David in the lead, the three men climbed through the hatch, went down the ladder, and jumped into the control room. No one was absolutely certain if any Germans were still on board or not. Luckily for the small boarding party, the compartment was deserted and silent. The only sounds came from the machinery that kept the U-boat moving in its slow circle.

Even if the Boat Sank, Saving the Enigma Machines Would Have Made Everything the Group had Done Well Worth the Effort.

It seemed as though the boat was about to sink. The submarine was about 10 degrees down by the stern and seemed to be settling deeper with each passing minute. So, the three men concentrated on saving the secret code books and the boat’s Enigma enciphering machines. They grabbed every secret document they could get their hands on and passed them up through the hatch and onto the bridge. Even if the boat sank, just saving the Enigma machines and the code books would have made everything the group had done so far well worth the effort.

Captain Gallery, however, was not satisfied with just the secret books and code machines. He wanted to save the submarine as well. Because Guadalcanal was no longer in danger from a torpedo attack, Gallery brought the carrier close enough to the U-boat to send a whaleboat with a 10-man boarding party to help David and his men. A wave sent Guadalcanal’s whaleboat crashing onto U-505’s forward deck, which thoroughly frightened the three men aboard the submarine. They had no idea that another boarding party had been sent.

The leader of the 10-man party was Commander Earl Trosino, an engineering officer and an expert on ships’ pipes and fittings. Before the war, Commander Trosino had been a chief engineer aboard Sun Oil (Sunoco) tankers. Although he had never been aboard a submarine, Trosino managed to solve a major problem within the first few minutes. An open seacock was allowing tons of water to pour into the U-boat, adding to the difficulty of keeping her afloat. Its cover was found nearby and was simply screwed back into place.

When Lieutenant David and his men began looking for booby traps, they found 13 demolition charges and disarmed them. Trosino made certain that all the valves were closed and did his best to keep the boat from sinking. He sent word to Captain Gallery that the U-boat would sink unless it was towed.

Crew bunks in the aft torpedo room.
Crew bunks in the aft torpedo room.

The captain of the Pillsbury attempted to come alongside the still-circling German submarine, pass a salvage pump over, and take the boat in tow. During the maneuver, one of the submarine’s diving planes punched a hole in the Pillsbury’s hull, flooding her engine room and forcing the ship to retire and repair the damage. After Pillsbury left the scene, Guadalcanal took over. Commander Trosino and his men attached their end of Guadalcanal’s cable to U-505’s bow, and the carrier began to pull.

On the evening of June 4, Captain Gallery set out for Dakar, the nearest friendly port, with U-505 in tow. He had to leave the damaged Pillsbury behind, with the Pope standing by. Captain Gallery had two problems to worry about. He was informed that the fuel situation was now critical. The task group could not have reached Casablanca even if Gallery wanted to. There was not enough fuel to make the trip.

The second problem was that U-505’s rudders were still turned to starboard. Commander Trosino reported that he had put the rudder amidships, but he had only succeeded in moving the boat’s electric rudder indicator. The indicator showed that the rudders were amidships, but they were actually still hard right. The only possible way of moving them was to use the boat’s manual steering mechanism, which was situated in the after torpedo room. Since the boat was already well down by the stern, adding the weight of a couple of men in that compartment would only make a bad situation worse. Also, Trosino reported that the aft torpedo room was flooded and that its hatch was booby-trapped.

Gallery said that he had been itching to get aboard the U-boat. The booby-trapped hatch gave him the excuse he needed. He was an ordnance school graduate and “knew as much about fuses and circuitry as anyone on board.” So, he designated himself officer in charge of booby traps and, along with Commander Trosino and four helpers, took a boat over to U-505 to investigate.

As he made his way into the submarine through the conning tower hatch, which was almost awash, Gallery began to have second thoughts about leaving Guadalcanal. The air stunk, the boat seemed on the verge of sinking by the stern, and the trip “through the control room, diesel engine room and after motor room seemed endless,” he recalled.

Finally, the party arrived at the hatch leading to the aft torpedo room. Trosino shone his light on an open fuse box and said, “There she is, Cap’n.” This was the booby trap. By the look of the box and all the wires coming out of it, it seemed to be a very cleverly devised demolition charge. To open the hatch to the torpedo room, the fuse box first had to be closed. Closing the lid might possibly close a circuit to an explosive device, which would destroy the U-boat and everyone in it.

The U-505 on display before it was moved inside Chicago’s Museum of Science and Industry.
The U-505 on display before it was moved inside Chicago’s Museum of Science and Industry.

Gallery did not believe such a connection would be made. He took a close look at the wiring and could not find anything suspicious. It seemed to him that the crew had abandoned the submarine too quickly—before they had the chance to set any charges. He thought the fuse box was harmless. As everyone held their breath, he slowly closed the cover. Nothing happened.

As soon as they opened the hatch to the torpedo room, the four men discovered that the compartment was dry. Commander Trosino had been wrong about that as well. The men entered the compartment, manhandled the steering gear to put the rudders amidships, and left as quickly as possible. The trip back to the control room was an uphill walk. As he climbed back to the bridge, Captain Gallery thought, “The fresh salt air sure smelt [sic] mighty sweet.”

Now that the U-boat was no longer turning to starboard, the next step was to pump the boat dry and bring her up to an even keel. “Junior,” as Guadalcanal’s crew now called U-505, was still half submerged, which made the boat a lot more difficult to tow. In fact, the sea was actually breaking over the conning tower hatch. When Gallery climbed through the hatch into the control room, he had to close the hatch behind him to keep from flooding the compartment.

Trosino had an idea for re-charging the U-boat’s storage batteries, even though Gallery would not let him run the diesel engines. Gallery was afraid that someone would turn the wrong valve and sink the boat. Trosino disconnected the clutch on the diesels and requested that Gallery tow the U-boat at 10 knots—quite a high speed for a tow. The forward speed turned the submarine’s propellers, which also turned the armatures of the electric motors, which, in turn, charged the batteries. With the batteries fully charged, there was enough electric current to run the boat’s pumps. The boat was pumped dry and brought up to full surface trim. U-505 was finally out of danger.

During the night, CINCLANT (Commander-in-Chief Atlantic Fleet) sent orders to Captain Gallery. He was not to attempt taking U-505 to Dakar. Although Dakar was the nearest port, it was also full of German spies who would report the U-boat capture to Berlin. Instead, he was to take his prize to Bermuda. To assist with the long trip, the fleet tug Abnaki and the oiler Kennebeck were diverted from an Africa-bound convoy to join Gallery’s task group.

Torpedo room.
Torpedo room.

Admiral King Threatened to Have Gallery Court-Martialed for Bringing U-505 in as a Prize.

Gallery rendezvoused with the two ships in the mid-Atlantic. Ships of the group refueled from Kennebeck, while Abnaki took over towing duties from Guadalcanal. On June 9, the group formed a screen around Abnaki and U-505 and headed for Bermuda, still 2,500 miles away.

All prisoners from U-505 were safely aboard Guadalcanal; 59 German sailors out of a complement of 60, including officers and Captain Lange. Gallery decided to visit Lange in the carrier’s sick bay. He described the German captain as “a big, angular man of about 35,” who looked more like a preacher than a U-boat skipper. Lange’s leg wounds had been treated, and he was sitting up in his bunk.Gallery introduced himself as the captain of the ship and told Lange, “We have your U-boat in tow.”

Lange blinked at Gallery and shouted, “No!” Because of his wounds, he had spent all of his time below decks after being rescued, and refused to believe that his orders to scuttle the submarine had not been carried out. He would not accept the fact that U-505 was still afloat and had been captured until Gallery sent a crew member over to the U-boat to retrieve family pictures from Lange’s cabin.

Seeing his personal photographs convinced him. He told Gallery in perfect English, “I will be punished for this.” After the war, Lange wrote Gallery a letter informing him that he had landed a good job on the Hamburg docks. Apparently, his gloomy prediction did not come true.

While the remaining ships of Guadalcanal’s group escorted the Abnaki and U-505 to Bermuda, the Jenks had been sent ahead at maximum speed with the U-boat’s Enigma machines and 10 sacks of code books and secret documents, which weighed about 1,100 pounds. When news of the U-boat’s capture reached Washington, it was greeted with anything but elation. The main fear was that German intelligence would find out that one of their submarines had fallen into Allied hands and that they would immediately change all the Enigma codes. If that happened, all Allied codebreakers would be plunged into darkness for many weeks. Fleet Admiral Ernest J. King, the bad-tempered chief of naval operations, was furious with Captain Gallery for jeopardizing Allied naval intelligence and their control of Enigma. He threatened to have Gallery court-martialed for bringing U-505 in as a prize.

Fortunately, no word ever reached German intelligence. Gallery told all hands attached to the task group that nothing must be said about what happened during the cruise, and amazingly the men did as they were told. The public did not find out about U-505 until after the war. Also, the Allied landings at Normandy on June 6, 1944, two days after the submarine was captured, pushed most other thoughts out of the minds of German intelligence. Berlin officially listed U-505 as sunk and made only routine changes in the naval codes.

Officers quarters.
Officers quarters.

The intelligence materials taken from U-505 allowed Allied Naval Intelligence to read U-boat signals as fast as the Germans themselves, which helped them in their already successful war against Admiral Dönitz and his submarine fleet. All the elaborate grids and tables the Kriegsmarine had been using to track Allied shipping were now used against the U-boats. Far from being the disaster feared by Admiral King, Gallery’s decision to take U-505 intact turned out to be an enormous advantage for Allied codebreakers.

On June 19, 1944, just over two weeks after Lieutenant David and his crew made their way into U-505’s control room, Gallery’s task group arrived in Bermuda. A huge U.S. flag flew above a much smaller German naval ensign on the U-boat’s flagstaff. The 59 prisoners were turned over to the commandant of the naval base. They were, in turn, kept in an isolated camp until the war ended. Absolutely no chances were being taken that might jeopardize the secrecy of U-505’s capture, including mixing the submarine’s crew with other German prisoners.

The U-boat was also turned over to the base commander, who issued a receipt: “One Nazi U-boat, U-505, complete with spare parts.” When the boat was inspected, a 14th demolition charge was found—in place and still very much alive.

For his part in the operation, Lieutenant Albert David was awarded the Medal of Honor. The two men who went down the U-boat’s conning tower hatch with him, Radioman Stenley E. Wdowiak and Torpedoman Arthur W. Kinspel, were given the Navy Cross. Captain Gallery did not receive a decoration, although he did get the Distinguished Service Medal for his work in antisubmarine warfare.

Gallery took very little credit for the success of the operation. He attributed it to thorough planning, helped along by a lot of good luck. As an afterthought, he added, “Maybe our daily morning prayers had something to do with it.”

David Alan Johnson has written extensively on World War II for more than 20 years. His book The Battle of Britain: The American Factor was well received in both the United Kingdom and the United States. He is currently working on a book about Anglo-American relations since Colonial times.

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