Invasion of Buka and Bougainville

Between 9 March and 5 April 1942 during World War II, forces of the Empire of Japan occupied the islands of Buka and Bougainville in the South Pacific. At that time these islands were part of the Australian-administered Territory of New Guinea. A platoon of Australian commandos from the 1st Independent Company was located at Buka Airfield when the Japanese landed but did not contest the invasion.

For the November 1943 Allied invasion, see Bougainville campaign.
Invasion of Buka and Bougainville
Part of the Pacific Theater of World War II

View of Buka (right) and Bougainville (left) islands, taken in 1943. The two islands are divided by the Buka Passage.
Date9 March – 5 April 1942
Location
6°8′S 155°18′E
Buka and Bougainville Islands, Territory of New Guinea (geographically part of the
Solomon Islands)
Result Japanese forces successfully occupy the area
Belligerents
 Australia  Japan
Commanders and leaders
J.M. Mackie ?
Strength
24 troops unknown

The Japanese invaded in order to construct naval and air bases to provide security for their major base at Rabaul, New Britain and to support strategic operations in the Solomon Islands. After the occupation of Buka and Bougainville, the Japanese began constructing a number of airfields across the island.[1] The main airfields were on Buka Island, on the nearby Bonis Peninsula and at Kahili and Kieta,[1] while naval bases were also constructed at Buin in the south and on the nearby Shortland Islands.[2] These bases allowed the Japanese to conduct operations in the southern Solomon Islands and to attack the Allied lines of communication between the US and the Southwest Pacific Area.[1]

In November 1943, allied forces landed on the west coast of Bougainville as part of the latter stages of Operation Cartwheel, and began building air bases to assist in the isolation and neutralization of Rabaul. U.S. Marines landed at Cape Torokina[1] and established a beachhead within which the Allies eventually constructed three airfields. The invasion force was later replaced by U.S. Army soldiers in January 1944,[1] and these were replaced by Australian Militia troops in October 1944.[3] The campaign ended with the surrender of Japanese forces in August 1945.[4]

Notes
  1. Keogh 1965, p. 414.
  2. Murray 2001, pp. 169–195; Spector 1985, pp. 152–53.
  3. Maitland 1999, p. 108.
  4. Keogh 1965, p. 420.

References
  • Keogh, Eustace (1965). South West Pacific 1941–45. Melbourne: Grayflower Publications.
  • Maitland, Gordon (1999). The Second World War and its Australian Army Battle Honours. East Roseville, New South Wales: Kangaroo Press. ISBN 0-86417-975-8.
  • Murray, Williamson; Allan R. Millett (2001). A War To Be Won: Fighting the Second World War. United States of America: Belknap Press. ISBN 0-674-00680-1.
  • Spector, Ronald H. (1985). Eagle Against the Sun. The MacMillan Wars of the United States. New York: MacMillan, Inc. ISBN 0-02-930360-5.
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