To lead this training the Admiral picked Reserve Officer Draper L. Kauffman. Training began at Fort Pierce near that of the Scouts and Raiders. Most of Kauffman's volunteers came from the Navy's engineering and construction battalions. Training commenced with one grueling week designed to eliminate the men from the boys." The men had sense enough to quit, and left us with the boys." It was and is still considered "HELL WEEK". The training made the use of rubber boats and surprisingly little swimming. The assumption was that they would paddle in and work in shallow water leaving the deep water demolitions to the Army. At this point the men were required to wear Navy fatigues with shoes and helmets. They were ordered to be lifelined to their boats and stay out of the water as much as possible. Kauffman's experience was at disarming explosives, now he and his teams were learning to use them offensively. One innovation was to use 2.5 pound packs of tetryl paced into rubber tubes, thus making 20 pound lengths of explosive tube that could be manipulated around obstacles for demolition.
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Normandy
D-Day invasion --- Six men from Kauffmans Naval Combat Demolition Unit Eleven (NCDU-11) were sent to England in the beginning of November, 1943 to start preparations to clear the beaches for the Normandy invasion. Later NCDU 11 was enlarged into 13 man assault teams. The Scouts and Raiders were also deployed to start their recon of the Normandy Coast.
General Rommel, Hitler's greatest military Field Marshal, had implemented the intricate defenses found on the French coastline. These creatively Included steel posts driven into the sand and topped with explosives. Large 3 ton steel barricades called Belgian Gates were placed well into the surfzone. Additionally he strategically placed reinforced mortar and machine gun nests. The Scouts and Raiders spent weeks gathering information during nightly surveilance missions up and down the French coast. Replicas of the Belgian gates were constucted on the South Coast of England for the UDT to practice demolitions on. The strategy of the UDT was to knock the Gates flat, not to shread and spread them along the beaches, thereby creating more of an obsticle for the advancing troops.
The initial attack on the two American landing beaches Omaha & Utah were to come from air bombings and shelling from the naval offshore artilary. Then a first wave of tanks and troop carriers were to land and clear any remaining German bunkers and snipers. The Demolitions Gap-assault teams would come in with the second wave and work at low tide to clear the obsticles.
As happens often during the fog of war, the Allied aircraft ended up dropping their bombs too far inland. Navy artilery then sent the majority of their shells far over the German positions - wreaking havoc on the French farmlands but leaving the well positioned German guns in perfect operating condition. These guns sent withering ground fire against the approaching Allied forces.
The tides also ended up pushing many of the demolition crews well ahead of the first wave. They found themselves the first to land on the beaches. Many of the teams were killed by machine gun and mortar fire before reaching the beach.
Other team members under enemy fire managed to set charges on the obsticles and blow them. At one point soldiers were taking cover behind the obsticles which were emplaced with demolitions charged with timers. The GIs quickly made there way onto the beaches to avoid becoming a friendly casualty of war.
The mission was to open sixteen 50 foot wide corridors for the landing. By nightfall only thirteen were open, and these beaches exacted a heavy toll on the Navy Gap-Assult teams.
Of the 175 UDT men on Omaha beach, 31 where killed and 60 wounded. Their Teamates on Utah Beach faired far better because the beach was considerably less fortified. Four were killed and11 wounded when an artilery shell landed among one of the teams working to clear the beach.
Weeks before the invasion all available Underwater Demolition men were sent from Fort Pierce to England.
The largest loss occurred at the landing on Omaha beach, Normandy.
Within months of the War's end the UDT teams were dispersed. This ended a trying but evolutionary time in the history of Naval Special Warfare.
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THE SOUTH PACIFIC
After a major catastophe on the island of Tarawa, the need for the UDT in the South Pacific became glaringly clear. The islands in this region have unpredictable tide changes and shallow reefs that can easily thwart the progress of the naval transport vessels. At Tarawa, the first wave made it across the reef in Amtracs, but the second wave in Higgens boats got stuck on the reef left exposed by the low tide. The Marines had to unload and wade to shore. Many drowned or were killed before making the beach. The Amtracs, without reinforcements from the second wave, were slaughtered on the beach. It was a valubale lesson that the Navy would not permit to be repeated. The Navy Combat Swimmers were turned to for an answer.
The Fifth Amphibious Force set up training at Waimanalo, on the coast of Oahu in the Hawaiian Islands. Attending were men from Fort Pierce as well as men from the Army and Marines. Represented were the Scouts and Raiders as well as the Naval Combat Demolitions Teams. They hastily trained for the attack on Kwajalein on 31 January, 1944. This was a major turning point for the tactics of the UDT. The plan was to send in night reconaissance teams such as the Scouts and Raiders were accustomed to. Then Admiral Turner, worried about the presence of obstacles emplaced by the Japanese, ordered two daylight recon operations.
The missions were to follow the standard procedure. Team one was to go in a rubber boat in full fatigues, boots, life jackets and metal helmets. The coral reef kept their craft too far from shore to be certain of the beach conditions. Ens. Lewis F. Luehrs and Chief Bill Acheson made a decision that changed the shape of Naval Special Warfare forever. Removing all but their underwear, they swam untethered across the reef. They returned with sketches of the beach, gun embankment locations along with information about a log wall built to deter landings and other vital intelligence. Naval Combat Swimming had now entered onto the Mission Essential Task List of the UDT.
After Kwajalein the UDT created the Naval Combat Demolition Training and Experimental Base on Maui. Operations began in April, 1944. Most of the procedures from
Fort Pierce had been modified, with importance placed upon developing strong swimmers. Extensive training was conducted in the water without life lines, using face masks and wearing swim trunks and shoes in the water. This new model gave us the image that stands today of the WWII UDT �the Naked Warrior". The landings continued and at Iwo Jima the surveying teams fared favorably. The largest casualties of the UDT's occurred not in the water, but aboard the destroyer USS Blessman when it was hit by a Japanese bomber. Eighteen men of UDT Team fifteen were killed when the bomb exploded in the mess hall. Twenty three others were injured. This was by far the most tragic loss of life suffered by the UDT in the Pacific theater.
Up until now all the islands worked upon were in southern waters. Soon the forces moved North toward Japan. Having no thermal protection, the UDT men were at risk of hypothermia and severe cramps. This problem was extreme during the surveying of Okinawa. The largest UDT deployment in the war employed veteran Team's Seven, Twelve, Thirteen, Fourteen and newly trained teams Eleven, Sixteen, Seventeen, and Eighteen. Close to a thousand UDT forces worked in concert on operations both real and deceptive to create the illusion of landing in other locations. The landing beaches on Okinawa were protected by pointed poles set into the coral reef of the beach. Team's Eleven and Sixteen were sent in to blast the poles. After all the charges were set the men swam to clear the area and the following explosion took out all of Team Eleven's and half of team Sixteen's targets. During the operation team Sixteen broke from the operation due to the death of one of their men. Their mission was considered a failure and a disgrace. Team Eleven was sent back the following day to finish the job and then remained to guide the forces to the beach.
The UDT continued to prepare for the invasion of Japan. After the atomic bomb was exploded over Hiroshima and Nagasaki the war quickly ended. The need for an invasion of Japan was averted and the UDT's role in the South Pacific came to an end..
Mainland China
An Annapolis graduate Named Milton E. Miles had lived in China and knew how to speak the language. He was sent there to do anything in his power to prepare for an Allied landing in China. Although the landings were never conducted Miles proved a great disturbance to the Japanese occupied regions of China. He set up a valuable chain of surveillance along eight hundred miles of the coast. He also formed, in conjunction with a Chinese warlord, a guerilla training camp called "Happy Valley". It was from there that they commanded their many successful raids and guerilla warfare forays against the Japanese. Another UDT man, Phil Buckelew, also spent time under cover on Mainland China disrupting enemy lines of communication and providing intelligence to Naval commanders. The Philip Buckelew Naval Special Warfare Center in Coronado, California is named for this legendary man.
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