 The fort was home to the 14th Coast Artillery Regiment of the U.S. Army, the 248th Coast Artillery Regiment of the Washington National Guard, the 2nd Amphibious Engineers, and miscellaneous U.S. Navy personnel.The Army operated radar sites and coordinated Canadian and U.S. defense activities in the Strait of Juan de Fuca and Puget Sound.The Navy, responsible for the detection and identification of all vessels entering and leaving Puget Sound, monitored new underwater sonar and sensing devices.