June 1945
| 22 | June | End of Japanese resistance at Okinawa. |
| 28 | June | General MacArthur’s headquarters announced the end of Japanese resistance in the Philippines. |
Mediterranean, Atlantic, and Indian Ocean
Italian submarines were still being used for anti-submarine exercises. Over one hundred exercise sorties were carried out during the month off Alexandria, Brindisi, Colombo, Naples, and Taranto, but mostly at Port Everglades (Florida) and Guantanamo (Cuba).