Ernest Harmon Air Force Base
Overview
 
Ernest Harmon Air Force Base is a former United States Air Force
United States Air Force
The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

 base located in Stephenville
Stephenville, Newfoundland and Labrador
Stephenville is a Canadian town in Newfoundland and Labrador on the west coast of the island of Newfoundland....

, Newfoundland and Labrador
Newfoundland and Labrador
Newfoundland and Labrador is the easternmost province of Canada. Situated in the country's Atlantic region, it incorporates the island of Newfoundland and mainland Labrador with a combined area of . As of April 2011, the province's estimated population is 508,400...

. The base was built by the United States Army Air Forces
United States Army Air Forces
The United States Army Air Forces was the military aviation arm of the United States of America during and immediately after World War II, and the direct predecessor of the United States Air Force....

 in 1941 under the Destroyers for Bases Agreement
Destroyers for Bases Agreement
The Destroyers for Bases Agreement between the United States and the United Kingdom, September 2, 1940, transferred fifty mothballed destroyers from the United States Navy in exchange for land rights on British possessions...

 with the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

From its establishment in 1941 until March 31, 1949, the base was located in the Dominion of Newfoundland
Dominion of Newfoundland
The Dominion of Newfoundland was a British Dominion from 1907 to 1949 . The Dominion of Newfoundland was situated in northeastern North America along the Atlantic coast and comprised the island of Newfoundland and Labrador on the continental mainland...

. On March 31, 1949 the Dominion of Newfoundland was admitted to Canadian Confederation
Canadian Confederation
Canadian Confederation was the process by which the federal Dominion of Canada was formed on July 1, 1867. On that day, three British colonies were formed into four Canadian provinces...

 and became the 10th province of Canada
Provinces and territories of Canada
The provinces and territories of Canada combine to make up the world's second-largest country by area. There are ten provinces and three territories...

. The agreement enabling the base's existence from 1941 until closure in 1966 enabled it to function as a de facto
De facto
De facto is a Latin expression that means "concerning fact." In law, it often means "in practice but not necessarily ordained by law" or "in practice or actuality, but not officially established." It is commonly used in contrast to de jure when referring to matters of law, governance, or...

enclave of United States territory
United States territory
United States territory is any extent of region under the jurisdiction of the federal government of the United States, including all waters including all U.S. Naval carriers. The United States has traditionally proclaimed the sovereign rights for exploring, exploiting, conserving, and managing its...

 within, first the Dominion of Newfoundland and later Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

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

 military personnel stationed at the base subject to the Uniform Code of Military Justice
Uniform Code of Military Justice
The Uniform Code of Military Justice , is the foundation of military law in the United States. It is was established by the United States Congress in accordance with the authority given by the United States Constitution in Article I, Section 8, which provides that "The Congress shall have Power . ....

.

Following its closure in 1966, the base property was relinquished by the Government of the United States
Federal government of the United States
The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The federal government comprises three distinct branches of government: a legislative, an executive and a judiciary. These branches and...

 to the Crown
The Crown
The Crown is a corporation sole that in the Commonwealth realms and any provincial or state sub-divisions thereof represents the legal embodiment of governance, whether executive, legislative, or judicial...

, Her Majesty in Right of Canada, under the terms of the original deal.
 
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