The Navy’s stealth destroyer, the USS Zumwalt, can’t fire its guns because the ammo is too expensive.
A US submarine placed a wire tap on Russian undersea cables to monitor secret military communications during the Cold War, and only found the cable after a week of searching because of a sign on the shore saying “Cable Here. Do Not Anchor.”
When the US navy banned alcohol on ships in July 1914, they held one last massive party and invited ships from several nations to help drink the last of the booze. Many of the participants in the party would become enemies weeks later when WWI broke out.
To study wind currents, the US Navy sprayed San Francisco with S. marcescens, thought to be a non-pathogenic bacterium. Doctors soon noted drastic increases in pneumonia and urinary tract infections.
The navy is now teaching sailors Celestial Navigation as a response to potential cyber attacks to ship navigation systems.
The US Navy diving manual has detailed instructions for escaping a giant clam.
When the US Navy refused to cooperate during the filming of the movie Crimson Tide, filmmakers waited outside Pearl Harbor for a submarine to head to sea and chased it with a boat and helicopter to get the shot of it submerging.
When a US Navy ship returns from deployment the first sailors allowed off the ship are sailors whose wives gave birth while they were away.
The Navy e-Reader Device, for use aboard US Navy Submarines, is pre-loaded with Game of Thrones and Lord of the Rings books.