sentences:  By the end of the Korean War in 1953, Argentia saw a total of 8,500 personnel posted in the area.In 1955 McAndrew AFB was deactivated and turned over to the US Navy as the US Air Force moved its personnel to more remote and northern locations along the coast of Newfoundland and Labrador to build radar stations which would become part of the Pinetree Line and DEW Line systems.In the 1960s Naval Station Argentia became a key "node" in the US Navy's SOSUS underwater hydrophone system.