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The Allies of World War II conducted a bombing of Rabaul in November 1943 at the major Japanese base. Allied carrier and land-based planes attacked Japanese airfields, ships and port facilities, on the island of New Britain, to protect the Allied amphibious invasion of Bougainville. As a result of the Rabaul raids, several Japanese heavy cruisers and numerous smaller warships and transports were damaged, effectively ending the Japanese naval threat to the initial landings on Bougainville.
