Seeadler Harbor

On 29 February 1944, General Douglas MacArthur led Operation Brewer to take the islands from the Japanese who had occupied them beginning in 1942.

This US Naval Advance Base served as a staging area for further World War II operations in New Guinea and the Philippines.

[1] USS Mount Hood exploded accidentally while moored in Seeadler Harbor on 10 November 1944.

[2] A Japanese Mitsubishi A6M reconnaissance aircraft reported "two large aircraft carriers" at Seeadler Harbor on 22 April 1945, which were actually the U.S. Navy's Large Auxiliary Floating Dry Docks USS ABSD-2 and USS ABSD-4.

[3] The wrecks of the sections of large auxiliary floating drydock USS ABSD-4 and an Imperial Japanese ship amongst others are located within the harbor.

Aerial view of Seeadler Harbor, c. 1945
ABSD-4 background in Seeadler Harbor with ABSD-2 (foreground) in September 1945