In April 1945, the waters around Okinawa became one of the most dangerous places in the Pacific War. American ships were supporting the invasion of the island, and Japan answered with mass kamikaze ...

On January 5, 1943, near Guadalcanal, the cruiser USS Helena fired a new kind of five-inch shell at Japanese aircraft. The result looked impossible to men trained in conventional anti-aircraft warfare ...

“If a secret weapon is defined as a truly effective weapon on which absolute secrecy has been maintained, then the Navy’s VT, or proximity fuze, was one of the outstanding secret weapons of the war.