Canadian Forces Base Goose Bay (also CFB Goose Bay), is a Canadian Forces Base located in the town of Happy Valley-Goose Bay, Newfoundland and Labrador. CFB Goose Bay is operated as an air force base by the Royal Canadian Air Force and is the site of NATO tactical flight training in Canada. Its primary RCAF lodger unit is 5 Wing, commonly referred to as 5 Wing Goose Bay. Goose Bay was the site of the first US nuclear weapons in Canada, when in 1950 the United States Air Force Strategic Air Command stationed 11 model 1561 Fat Man atomic bombs at the base.