A History of the Ship's Compass Naval History Magazine - December 2022, Volume 36, Number 6

Mechanical gyroscopes are beginning to be replaced by ring-laser or hemispherical-resonator ones, but most ships retain a traditional magnetic compass as a backup—just in case. 

Sea History 031 - Spring 1984 by National Maritime Historical

The Cuban Missile Crisis @ 60 Nuclear Crisis Lasted 59 Days, Not Just 13

Did Jesus Exist? Searching for Evidence Beyond the Bible - Biblical Archaeology Society

Naval History Magazine - December 2022, Volume 36, Number 6

USS Liberty incident - Wikipedia

Evolution of Naval Weapons

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Japanese battleship Mikasa - Wikipedia

General Description of the Whitehead Torpedo

All or Nothing – theleansubmariner

Battles that Changed History: DK, Smithsonian Institution

Military History: The Definitive Visual Guide to the Objects of

O'Rourke's Latest CRS Report—“China Naval Modernization