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    Seeadler Harbor Manus Province Papua New Guinea (PNG)
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USN 1944

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USN November 10, 1944

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Jeff Huchinson 2003

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Frank Morrill 1945
Seeadler Harbor borders Manus Island to the west and Los Negros Island to the east in the Admiralty Island Group (Admiralty Islands). Named by the Germans, "Seeadler" meaning "sea eagle". During World War II often incorrectly referred to by Americans as "Manus Island Harbor" or "Manus Harbor". Prewar and during the Pacific War part of the Territory of New Guinea. Today located in Manus Province in Papua New Guinea (PNG).

Wartime History
After the American occupation of the Admiralties, Seeadler Harbor was developed into a major US Navy base used by warships, cargo ships and transports. Seaplanes operated in the harbor from Lombrum Seaplane Base on Los Negros. Seeadler Harbor was an important staging base for the invasion forces bound for Leyte and Luzon in the Philippines. On November 10, 1944 an accidental explosion destroyed ammunition ship USS Mount Hood AE-11 and damaged other other vessels claiming the lives of In total, 45 dead, 327 missing and 371 injured.

Lombrum Seaplane Base
Built by US Navy after liberation as a seaplane base using adjacent Seeadler Harbor

USS Mount Hood AE-11
Sunk November 10, 1944 by accidental explosion

AFDB-2 Floating Dry Dock (ABSD-2)
Decommissioned on March 24, 1987

AFDB-4 Floating Dry Dock (ABSD-4)
Attacked on April 30, 1945 by B5N2 Kate from Rabaul. Decommissioned on April 15, 1989

LCVP Landing Craft
There are several abandoned landing craft sunk in the harbor, near Lombrum at the end of the war.

Veteran CM/2c Frank Morrill, USN recalls:
"As soon as the war was over, we loaded up a whole bunch of LCM's and other landing craft and took them out away. We took off the hatch covers and sunk the whole mess. About ten of them went down to Davey Jones Locker."

Japanese Ship
Sunk to the mast level in Seeadler Harbor. Wartime photo via Frank Morrill.

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Last Updated
November 2, 2019


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