The Battle of Bairoko was fought between American and Imperial Japanese Army and Navy forces on 20 July 1943 on the northern coast of New Georgia island. Taking place during World War II, it formed part of the New Georgia campaign of the Pacific War. In the battle, two battalions of the U.S. Marine Raiders from the 1st Marine Raider Regiment, supported by two U.S. Army infantry battalions attacked a Japanese garrison guarding the port of Bairoko on the Dragons Peninsula, advancing from Enogai and Triri. After a day long engagement, the Japanese repulsed the American assault and forced the attacking troops to withdraw with their wounded to Enogai. US forces remained in the area carrying out patrolling and intelligence gathering operations until the end of the campaign. Bairoko was eventuall