For decades, stories about invisible warships have captured public imagination. One of the most famous is the so-called Philadelphia Experiment of 1943, a legend that claims the US Navy made a ship ...
During WWII, engineers seriously planned an Arctic war aircraft carrier made of ice. Project Habakkuk sounds ridiculous—until you see why it almost worked.
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When Did Battleships Become Obsolete?

Though battleships saw extensive and meritorious service in World War II, the conflict exposed their weaknesses against the rising power of the aircraft carrier.