Honolulu, Hawaii · October 11, 1943 On this date in 1943 the USS Wahoo, a Gato-class (early World War II) submarine under Commander Dudley “Mush” Morton, was sunk in the La Pérouse (Soya) Strait, the channel that separates the northern Japanese island of Hokkaidō and the Russian Sakhalin Peninsula. Armed with ten torpedo tubes, the…
Washington, D.C. · October 5, 1943 On this date in 1943 the Japanese news agency Domei acknowledged that the 8,000‑ton Konron Maru was sunk by an American submarine off the west coast of the Japanese home island of Honshu, with the loss of 544 lives. The steamer was sunk by the USS Wahoo using the new,…
Washington, D.C. · October 2, 1939 On January 31, 1939, President Franklin D. Roosevelt held a closed-door meeting with the Senate Military Affairs Committee at the White House. Reportedly FDR made the comment that “the frontier of the United States is the Rhine,” meaning France’s eastern border with Nazi Germany. When the statement was leaked…
Aboard the U.S. Carrier Shangri-La · July 14, 1945 On this date and the next in 1945, less than four months after the start of Operation Starvation—the joint U.S. air and naval effort to strangle Japanese maritime traffic by the aerial mining of Japan’s harbors and straits—Navy air groups destroyed over half the train ferries…
London, England · May 9, 1941 As war loomed in Europe, British codebreakers based at Bletchley Park outside London worked feverishly to unravel the Enigma cipher machine, which the Germans used to encrypt their most secret communications. The Enigma had a number of differently wired scrambler rotors that operators changed and shuffled through billions of…
U-852 in Mid-Atlantic Ocean · March 13, 1944 On this date in 1944 German U‑boat 852, skippered by 28‑year‑old Heinz-Wilhelm Eck, torpedoed the British-chartered Greek freighter SS Peleus as it steamed from Freetown, Sierra Leone, to Buenos Aires, Argentina. After the Peleus sank, U‑852 patrolled the large debris field for five hours. Crew members used…
London, England · March 6, 1941 By January 1941 the Allies had lost 1,300 merchant vessels, almost half of them to German U‑boats. Following the enslavement of 120 million people in seven Western and Eastern European countries by Nazi Germany the previous year, the British were reduced to fighting Adolf Hitler’s military juggernaut alone. In alarm they…
London, England · January 3, 1943 By the end of 1942 U-boats operating from ports in Germany and occupied Europe had sunk just over 1,160 ships (see Battle of the Atlantic). U‑boats claimed nearly 70 percent of all Allied and neutral shipping losses (about 7.8 million tons), and the Kriegsmarine appeared to be winning the tonnage race, sinking…