Morobe Bay is a bay

Bay

A bay is an area of water mostly surrounded by land. Bays generally have calmer waters than the surrounding sea, due to the surrounding land blocking some waves and often reducing winds. Bays also exist as an inlet in a lake or pond. A large bay may be called a gulf, a sea, a sound, or a bight...

 within Huon Gulf

Huon Gulf

Huon Gulf is a large gulf in eastern Papua New Guinea, at . It is bordered by Huon Peninsula in the north. Both are named after French explorer Jean-Michel Huon de Kermadec. Huon Gulf is a part of the Solomon Sea. Lae, capital of the Morobe Province is located on the northern coast of the...

, on the coast of Morobe Province

Morobe Province

Morobe Province is a province on the northern coast of Papua New Guinea. The provincial capital, and largest city, is Lae. The province covers 34,500 km², including 719 km² maritime area, with a population of 539,725...

, Papua New Guinea

Papua New Guinea

Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

.

History

The American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 and Australian armed forces used Morobe Bay, also known as "Morobe Harbour", as a safe anchorage and staging point as part of the New Guinea campaign

New Guinea campaign

The New Guinea campaign was one of the major military campaigns of World War II.Before the war, the island of New Guinea was split between:...

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

A PT boat

PT boat

PT Boats were a variety of motor torpedo boat , a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons were nicknamed "the mosquito fleet". The Japanese called them "Devil Boats".The original pre–World War I torpedo boats were...

 advanced base was relocated from Tufi

Tufi

Tufi is a town located on the south eastern peninsula of Cape Nelson, Oro Province, Papua New Guinea. Tufi is located on a tropical fjord of Cape Nelson surrounded by many uncharted reefs. The area is also famous for its production of tapa cloth....

 and set up within Marobe Bay by the US Navy, instead of Douglas Harbour near Cape Ward Hunt

Cape Ward Hunt

Cape Ward Hunt is a cape on the north coast of Oro Province, Papua New Guinea. The cape was named after George Ward Hunt, First Lord of the Admiralty , by Captain John Moresby....

on 20 April 1943.