Delaware's Ghost Towers Third Edition: The Coast Artillery's Forgotten Last Stand During the Darkest Days of World War 2 : AuthorHouse : 9781665542364 : 1665542365 : 18 Nov 2021 : "Using the First State as a representative example for all three American shorelines, Delaware's Ghost Towers reveals how the mysterious World War 2 concrete sentinels standing along Delaware's ocean beaches were used to guard against penetration by powerful German battleships bent on shelling Philadelphia and the oil refineries of Wilmington. The book tells the story of the nearly forgotten Coast Artillery soldiers, who were the front-line, standing a combat-ready watch during the anxious early months of the war, when the first invasion of the Homeland since the War of 1812 was considered a frightening real possibility. From a slow start during neglectful pre-war days, the Coast Artillery grew to operate the US' most heavily armed installations, pointing the Army's biggest guns