Anti-Submarine Warfare

A deep dive into the tactics and technology used to defend against submarines—from the opening of the First World War through World War II and beyond. The submarine was undoubtedly the most potent purely naval weapon of the twentieth century. In two world wars, enemy underwater campaigns were very nearly successful in thwarting Allied hopes of victory—indeed, annihilation of Japanese shipping by US Navy submarines is an indicator of what might have been. That the submarine was usually defeated i