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• While at Potsdam, Germany, US President Harry Truman issued instructions for the atomic bombing of Hiroshima, Kokura, Niigata, or Nagasaki in Japan; the target date was set for some time after 3 Aug. ww2dbase [Atomic Bombing of Hiroshima and Nagasaki | Operation Trinity and Manhattan Project | Harry Truman | CPC]

• Escort carrier USS Bogue arrived at Apra Harbor, Guam, Mariana Islands. ww2dbase [Bogue | Apra Harbor | DS]

• US carrier aircraft attacked Japanese shipping in the Inland Sea near Osaka and Nagoya, Japan. ww2dbase [Preparations for Invasion of Japan | Inland Sea | CPC]
• USS Yorktown (Essex-class) and TF58 pounded shipping and installations around the Kure naval base. ww2dbase [Preparations for Invasion of Japan | Yorktown (Essex-class) | Kure, Hiroshima | DS]

• A test bomb in the shape of the atomic bomb Little Boy, designated L-5, was dropped in the sea near Tinian, Mariana Islands from a B-29 bomber piloted by Paul Tibbets. ww2dbase [Atomic Bombing of Hiroshima and Nagasaki | Paul Tibbets | Tinian | CPC]

• USS Bugara sank 6 small enemy craft with her deck gun in the Gulf of Siam and South China Sea area during the day. ww2dbase [Bugara | South China Sea | CPC]
• I-401 began to sail on the surface after traveling submerged for the paste two days. ww2dbase [I-401 | CPC]
• USS Blenny reported sinking two small Japanese craft with the deck gun in the South China Sea off Malaya. ww2dbase [Blenny | South China Sea | CPC]

• In a normal rotation of command, Lieutenant Commander Dean DeCoudres relieved Lieutenant Commander Henry Plage as USS Tabberer's commanding officer at San Pedro Bay, Leyte Gulf, Philippines. ww2dbase [Tabberer | Henry Plage | San Pedro Bay, Leyte | CPC]

• Lavrentiy Beria informed Joseph Stalin that the railroad connecting Komsomolsk and the port city of Sovetskaya Gavan in Khabarovsk Krai, eastern Russia had completed. ww2dbase [Manchurian Strategic Offensive | CPC]

• The final wartime shipment of uranium-235 left the Clinton Engineer Works in Tennessee, United States, reaching Tinian, Mariana Islands by C-54 transport aircraft 3 and 4 days later. This specific shipment of uranium-235 was used for the Little Boy bomb destined for Hiroshima, Japan. ww2dbase [Atomic Bombing of Hiroshima and Nagasaki | Clinton Engineer Works | Oak Ridge, Tennessee | CPC]
• USS Wake Island arrived at San Diego, California, United States. ww2dbase [Wake Island | San Diego, California | CPC]

25 Jul 1945 Interactive Map