June 30th, 1945 (SATURDAY)
UNITED KINGDOM: Submarine HMS ASTUTE is commissioned.JAPAN: PB4Y-2 Privateers of Patrol Bombing Squadron One Hundred Eighteen (VPB-118) based at Yonton, Okinawa, continue sewing aerial mines off the coast of Korea.
CHINA: Chungchin falls to Chinese forces, which advance into Indochina.
BORNEO: US forces bombard Balikpapan.NETHERLANDS EAST INDIES: Six RAAF Liberators on No. 25 Squadron hit Tanjong Perak airfield near Surabaya. (Michael AlexanderMitchell)
MARIANAS ISLANDS: the 509th Composite Group, scheduled to deliver the atomic bomb attacks on Japan, begins combat flight training from Tinian Island. For most crews, this involves five or six practice missions such as a navigation training flight to Iwo Jima Island, bombing Rota Island in the Mariana Islands during the return flight, two or more short bombing missions against Rota or Guguan Island, Mariana Islands, one long bombing mission against Truk Atoll, and one against Marcus Island. All of these missions are in flights of two to nine B-29s.U.S.A.: Washington: Truman appoints James F. Byrnes to succeed Edward Stettinius as secretary of state.
On this date, the USN has 67,952 ships and craft and 4,031,097 personnel consisting of 3,383,196 sailors; 476,709 Marines; and 171,192 Coastguardsmen.
Destroyer USS POWER is launched.