Get the Summary of Peter Padfield's War Beneath the Sea in 20 minutes. War Beneath the Sea (1981) details the undersea conflict that played a key role in shaping the outcome of World War II. Acclaimed maritime historian Peter Padfield follows the campaigns of British, American, German, Japanese, and Italian submarine forces. Beginning with the sinking of the passenger liner Athenia in 1939, Padfield traces major naval battles, intelligence breakthroughs, technological innovations, and strategic decisions across the Atlantic and Pacific. This comprehensive account highlights how submarines, codebreaking, and anti-submarine warfare influenced the course of the conflict.