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The greatest naval conflict in history occurred during World War II from 1939 to 1945. Author Vince O'Hara offers a truly global perspective of WWII at sea that captures every aspect of a vast naval conflict that involved dozens of nations, more than 15,000 ships, and 43.7 million tons of shipping. Approximately 570,000 lives were lost at sea in those six years. Here, the naval action begins in the Baltic Sea before dawn on September 1, 1939, when a German battleship opened fire on Polish troops barricaded in a fortress in the port city of Danzig, Poland.

Innovating Victory: Naval Technology in Three Wars studies how the world‘s navies incorporated new technologies into their ships, their practices, and their doctrine. It does this by examining six core technologies fundamental to twentieth-century naval warfare including new platforms (submarines and aircraft), new weapons (torpedoes and mines), and new tools (radar and radio).

In October 1941, the British Admiralty based a surface strike force in Malta to attack Axis sea lanes between Italy and Africa. Aided by Ultra intelligence, submarines, and bombers based in Malta, this force dominated the Central Mediterranean. From the end of October through the middle of December 1941, less than a third of the supplies shipped from Italian ports arrived in Libya. Shortages of ammunition and fuel finally compelled the Afrika Korps to retreat 400 miles. Then, in the space of 30 hours, this all changed.

Before the twentieth century ships when relied upon visual signaling, vessels beyond range of sight or a cannon shot, were blind, deaf, and dumb in the dark, making night battles at sea rare, and near always accidental. The introduction of certain technologies like the torpedo, the searchlight, radio, and then radar, transformed naval warfare by making night combat feasible and, in some cases, desirable. The process by which navies integrated these new tools of war and turned the dark into a medium for effective combat, however, was long and difficult.