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US Iowa-class battleships carried nuclear “Katie” shells

Filed: Jul 15, 2026 at 10:00 AM ET
Summary: In the 1950s, the Navy produced “Katie” nuclear artillery shells and at least two Iowa-class battleships carried them.
WHO: Robert Sumrall
WHAT: Nuclear artillery shells (“Katie”) were produced and carried at sea aboard at least two Iowa-class battleships
WHEN: Jul 15, 2026 at 9:46 AM ET
WHERE: USA
WHY: The U.S. Navy developed nuclear artillery shells for the Iowa-class battleships’ 16-inch guns
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.

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