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    Yap Island (Yappu) Yap State Federated States of Micronesia

Yap Island is located in Yap State in the Federated States of Microneisa.
Also known as "Yappu".

After the Spanish-American War, the Germans assumed administration of the Caroline Islands. During 1914, during World War I, British warships shelled and destroyed the German colonial plantation owner's radio station. On October 7, 1914, a Japanese Expeditionary Squadron landed on Yap in a bloodless takeover. Afterwards, a secret treaty agreement between Japan and Britain guaranteeing Japanese control over all Pacific islands north of the Equator that became part of the Treaty of Versailles during 1919.

By 1920, Japanese settlement began on Yap. After 1935, when Japan left the League of Nations, the island was fortified during the late 1930's into a military base. Yapese natives were forced to work in labor gangs and at nickel, bauxite and phosphate mines on the island.

Wartime History
During the Pacific War, the Japanese build a lighthouse at Gagil and intensive gardening begins in a large portion of southern Yap. At the end of March 1944 Yap Island came within range of American B-24 Liberators that bombed the island until the end of October 1944.

American missions against Yap
March 30, 1944 - October 30, 1944

On August 13, 1944 USS Burrfish (SS-312) landed US Navy Frogmen from UDT 10 (Underwater Demolition Team). After the landing, three were captured: Howard L. Roeder, John C. MacMahon and Robert A. Black, the only frogmen ever taken Prisoner Of War (POW). On August 23, 1944 at 4:30pm the three were transported aboard submarine chaser No. 27 Kise Maru to Palau. On September 2, 1944 they were transported aboard special sub-chaser Uruppu Maru from Palau via Davao to Manila.

Colonia (Doanguuc, Korronii, Kolonie, Yap, Yappu)
located on southern Yap Island includes Colonia Airfield and Tomil Airfield.

A6M Zero
Ditched in shallow water off Yap.

B-24J Liberator Serial Number 44-40598
Pilot Coleman MIA June 25, 1944 shot down by fighters

B-24J Liberator Serial Number 44-40555
Pilot Sylor MIA July 15, 1944 mid air collision with B-24J 42-73119 roughly 5-8 miles south of Yap.

B-24J Liberator Serial Number 42-73119
Pilot Diederich MIA July 15, 1944 mid air collision with B-24J 44-40555 roughly 5-8 miles south of Yap.

Yap's Air Campaign by Richard Dunn
MissingAircrew - American Missions Against Yap, 13 August 1944

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Last Updated
June 21, 2019



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