When Adolf Hitler declared war on the United States, in December 1941, the East Coast was as unprepared for the U-boat onslaught that was to come as Pearl Harbor had been for the Japanese air attack. On Jan. 1, 1942, the Tuckerton Beacon announced some preparations taking place on Long Beach Island.

“The United States Coast Guard continued defense expansion plans along the eastern seaboard with the announcement of the reopening of three Long Beach Coast Guard Stations, in the Philadelphia…