National Geographic : 1946 Jun
Your Navy as Peace Insurance "Safe" in His Rubber Boat, a Fin-footed Underwater-demolition Man Clowns Froglike Navy's UDT crews, clearing beach obstacles for amphibious landings, worked by day or night, in tide or gunfire, but always ahead of H-hour. Teams at Okinawa removed 3,000 hazards. Normandy outfits' losses were as high as 40 percent. All strong swimmers, UDT men got an added push from foot fins. U. S. Navy. Official Danger Is His Business, Swim Trunks His Armor, Knife and Fuses His Weapons This exhausted underwater-demolition man has just cleared landing obstacles off Borneo. Once fuses were set, he had to swim for life lest his work destroy him. Barbed wire, concrete, steel, and mines were blown up.