In September 1942, 17 Navy salvage personnel arrived at ATB Little Creek, VA for a week long course in demolitions, explosive cable cutting and commando raiding techniques. On November 10, 1942, the first combat demolition unit successfully cut cable and net barriers across the Wadi Sebou River during Operation Torch in North Africa. This enabled the USS Dallas (DD-199) to traverse the water and insert U.S. Rangers who captured the Port Lyautey airdrome.[3]
On 7 May 1943, Lieutenant Commander Draper L. Kauffman, "The Father of Naval Combat Demolition," was directed to set up a school and train people to eliminate obstacles on an enemy-held beach prior to an invasion. On 6 June 1943, LCDR Kauffman established Naval Combat Demolition Unit training at Fort Pierce.[6] Most of Kauffman's volunteers came from the navy's engineering and construction battalions. Training commenced with a gruelling week designed to filter out under-performing candidates. By April 1944, a total of 34 NCDUs were deployed to England in preparation for Operation Overlord, the amphibious landing at Normandy.[3] On 6 June 1944, in the face of great adversity, the NCDUs at Omaha Beach managed to blow eight complete gaps and two partial gaps in the German defenses. The NCDUs suffered 31 killed and 60 wounded, a casualty rate of 52%. Meanwhile, the NCDUs at Utah Beach met less intense enemy fire. They cleared 700 yards (640 metres) of beach in two hours, another 900 yards (820 metres) by the afternoon.
Casualties at Utah Beach were significantly lighter with six killed and eleven wounded. During Operation Overlord, not a single demolitioneer was lost to improper handling of explosives. In August 1944, NCDUs from Utah Beach participated in the landings in southern France, the last amphibious operation in the European Theater of Operations.[6] NCDUs also operated in the Pacific theater. NCDU 2, under LTjg Frank Kaine, after whom the Naval Special Warfare Command building is named, and NCDU 3 under LTjg Lloyd Anderson, formed the nucleus of six NCDUs that served with the Seventh Amphibious Force tasked with clearing boat channels after the landings from Biak to Borneo.
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In September 1942, 17 Navy salvage personnel arrived at ATB Little Creek, VA for a week long course in demolitions, explosive cable cutting and commando raiding techniques. On November 10, 1942, the first combat demolition unit successfully cut cable and net barriers across the Wadi Sebou River during Operation Torch in North Africa. This enabled the USS Dallas (DD-199) to traverse the water and insert U.S. Rangers who captured the Port Lyautey airdrome.[3]On 7 May 1943, Lieutenant Commander Draper L. Kauffman, "The Father of Naval Combat Demolition," was directed to set up a school and train people to eliminate obstacles on an enemy-held beach prior to an invasion. On 6 June 1943, LCDR Kauffman established Naval Combat Demolition Unit training at Fort Pierce.[6] Most of Kauffman's volunteers came from the navy's engineering and construction battalions. Training commenced with a gruelling week designed to filter out under-performing candidates. By April 1944, a total of 34 NCDUs were deployed to England in preparation for Operation Overlord, the amphibious landing at Normandy.[3] On 6 June 1944, in the face of great adversity, the NCDUs at Omaha Beach managed to blow eight complete gaps and two partial gaps in the German defenses. The NCDUs suffered 31 killed and 60 wounded, a casualty rate of 52%. Meanwhile, the NCDUs at Utah Beach met less intense enemy fire. They cleared 700 yards (640 metres) of beach in two hours, another 900 yards (820 metres) by the afternoon.ผู้เสียชีวิตที่หาดยูทาห์ก็เบามากหกฆ่าและ eleven ได้รับบาดเจ็บ ในระหว่างปฏิบัติการโอเวอร์ลอร์ด ไม่ demolitioneer เดียวหายการจัดการไม่เหมาะสมของวัตถุระเบิด ใน 1944 สิงหาคม NCDUs จากหาดยูทาห์เข้าฝั่งในภาคใต้ของฝรั่งเศส การสะเทินน้ำสะเทินบกในโรงละครในทวีปยุโรปของการดำเนินงาน [6] NCDUs งานในแปซิฟิค NCDU 2 ไคเนะ Frank LTjg หลังจากที่ อาคารบัญชาการสงครามพิเศษเรือชื่อ และ 3 NCDU ภายใต้ LTjg ลอยด์แอนเดอร์สัน เกิดนิวเคลียสของ NCDUs หกที่เสิร์ฟด้วยแรงสะเทินน้ำสะเทินบกเจ็ดรับมอบหมายให้ล้างช่องเรือหลัง landings จากเบียคไปบอร์เนียว
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