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Coastwatchers

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Coastwatchers
Dates1940–1945
CountryAustralia, New Zealand, United Kingdom, Netherlands, Fiji
BranchRoyal Australian Navy, Royal Australian Air Force, Australian Army, Royal New Zealand Air Force
RoleMilitary intelligence, reconnaissance, and rescue
GarrisonTownsville, Port Moresby, Honiara
Garrison labelKey bases
BattlesPacific War, Battle of the Coral Sea, Guadalcanal campaign, Bougainville campaign, New Guinea campaign
Notable commandersEric Feldt

Coastwatchers. The Coastwatchers, formally known as the Allied Intelligence Bureau's field section, were a crucial network of military personnel, civilian volunteers, and indigenous scouts operating across the South West Pacific Area during the Pacific War. Primarily organized by the Royal Australian Navy under Lieutenant Commander Eric Feldt, their mission was to provide early warning of Imperial Japanese Navy movements, gather intelligence behind enemy lines, and assist in the rescue of downed Allied airmen. Operating from remote islands across territories like the Solomon Islands, New Guinea, and the Bismarck Archipelago, their clandestine reports directly influenced major naval engagements and Allied strategy.

Origins and establishment

The concept originated from pre-war plans within the Royal Australian Navy to establish an observation network across Australia's territorial mandates in the Pacific, such as the Territory of New Guinea. Following the outbreak of war and the rapid Japanese advance after the attack on Pearl Harbor, the existing civilian network was swiftly militarized. In early 1942, Lieutenant Commander Eric Feldt, based in Townsville, was tasked with organizing and expanding this effort under the codename "Ferdinand", emphasizing stealth over combat. The network was later integrated into the broader Allied Intelligence Bureau, a joint Allied command under General Douglas MacArthur. Key early stations were established in the Solomon Islands Protectorate, particularly on Guadalcanal, Bougainville Island, and New Britain.

Operations and organization

Coastwatchers operated in small, isolated teams, often consisting of a commissioned officer, a radio operator, and local indigenous guides and scouts. They used portable AWA teleradios to transmit coded messages to intelligence centers in Port Moresby and Townsville. Their primary duties included reporting on Japanese ship and aircraft movements, weather conditions, and troop deployments. They also conducted guerrilla activities, rescued Allied personnel, such as the survivors of the PT-109 incident involving future President John F. Kennedy, and provided critical support for United States Marine Corps landings. The organization was divided into sectors covering vast areas including the Solomon Islands, the Bismarck Sea, and the coastlines of New Guinea, with operatives sometimes inserted by Royal Australian Air Force Catalina flying boats or United States Navy submarines.

Key contributions and impact

Their intelligence proved decisive in several pivotal battles of the Pacific War. Reports from coastwatchers on Bougainville Island and New Georgia provided early warning of Japanese air raids, contributing directly to the Allied victory at the Battle of the Coral Sea. During the Guadalcanal campaign, coastwatchers like Martin Clemens on Guadalcanal gave vital notice of incoming "Tokyo Express" reinforcements and incoming air strikes, allowing United States Navy forces at Henderson Field to prepare. Their warnings were instrumental in the Allied ambush at the Battle of Savo Island and subsequent naval engagements. Beyond naval warfare, they guided Office of Strategic Services operatives, facilitated the Marshall Islands survey, and saved hundreds of Allied aircrew, profoundly affecting morale and operational planning for Douglas MacArthur's island-hopping strategy.

Notable coastwatchers

Among the most celebrated was Eric Feldt, the organizer and commander of the entire network. Martin Clemens, a British Solomon Islands Protectorate district officer on Guadalcanal, provided indispensable intelligence during the critical early stages of the campaign. Paul Mason and Jack Read, operating on Bougainville Island and New Georgia respectively, were famed for their aircraft warnings. Civilian planters like Kenneth Dalwood and R. B. D. (Dick) Horton performed heroically under extreme duress. Many indigenous scouts and carriers, whose contributions were long understated, were vital to every operation; individuals like Biuku Gasa and Eroni Kumana were instrumental in rescuing John F. Kennedy and his PT-109 crew in the Solomon Islands.

Legacy and recognition

The Coastwatchers' legacy is enshrined in military intelligence history as a paradigm of effective irregular warfare and human intelligence. In the postwar period, members were honored with awards such as the Distinguished Service Cross (United States), the Order of the British Empire, and the Medal of Freedom. Their story has been depicted in films like *The Coast Watchers* and literature, including James Michener's tales. The network is considered a forerunner to modern signals intelligence and special operations units. Memorials stand in Honiara and Canberra, and their exploits are studied at institutions like the Australian War Memorial, which holds extensive records of their service within the Allied Intelligence Bureau.

Category:Military history of Australia during World War II Category:Military intelligence Category:Pacific War