What US sub-hunter planes can learn watching advanced Russian submarines like the one that showed up near Florida

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A Black Russian submarine surfaces above blue and grey ocean water.
The Russian nuclear-powered submarine Kazan, part of the Russian naval detachment visiting Cuba, leaves Havana Harbour.

YAMIL LAGE/AFP via Getty Images

Russian submarines fought a torpedo duel in waters surrounded by NATO allies

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A black submarine sits in the water next to a dock. Sailors walk up a ramp to get into the submarine.
Russian crew members get on board of the newly built "Novorossiysk" B-261 multipurpose diesel-electric submarine in Saint Petersburg.

OLGA MALTSEVA/AFP via Getty Images

China says it picked up a submarine detector dropped by a US Navy aircraft in the South China Sea

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P-8A Poseidon dropping a device replicating a Mk-54 torpedo
The aircraft in the video released by Chinese state media looked like a US Navy P-8A Poseidon, and it was dropping what looked like a sonobuoy, which is a kind of acoustic sensor used to track submarines.

US Navy/Greg L. Davis

US Navy nuclear ballistic missile submarine surfaces off Norway in unusual flex as 'Doomsday' plane flies overhead

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US Navy nuclear-powered ballistic missile submarine USS Tennessee in the Norwegian Sea on June 23, 2024.
US Navy nuclear-powered ballistic missile submarine USS Tennessee in the Norwegian Sea on June 23, 2024.

US Naval Forces Europe-Africa/US 6th Fleet

Russia is patrolling the Black Sea with submarines after its surface fleet got walloped, Ukraine says

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Two Russian submarines in military exercises at the Peter the Great Gulf off the city of Vladivostok, Russia
Two Russian submarines in military exercises at the Peter the Great Gulf off the city of Vladivostok, Russia, on September 5, 2022.

KIRILL KUDRYAVTSEV/AFP via Getty Images

How the US Navy's Virginia-class attack submarine gives the US an edge in global undersea superiority

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The attack submarine USS Virginia
The attack submarine USS Virginia departs Naval Submarine Base New London en route to Portsmouth Naval Shipyard in Kittery, Maine.

US Navy photo/Petty Officer 1st Class Steven Myers

Chinese scientists want to use lasers to power ultrafast, stealthy submarines. A laser expert says there's a major flaw in their plan.

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A nuclear-powered Type 094A Jin-class ballistic missile submarine of the Chinese People's Liberation Army (PLA) Navy is seen during a military display in the South China Sea April 12, 2018.
A nuclear-powered Type 094A Jin-class ballistic missile submarine of the Chinese People's Liberation Army (PLA) Navy in 2018.

Reuters

A group of WWII-era scientists used themselves as guinea pigs to learn to breathe underwater. Their experiments helped make D-Day possible.

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A diver of the British Royal Navy is walking down a pier of Cherbourg harbor on
A diver from the British Royal Navy wore a self-contained suit without a cable attaching him to a ship in 1944.

AP Photo

Photos show US Navy SEAL operations aboard hidden shelters on submarines

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Guided-missile submarine USS Florida
Guided-missile submarine USS Florida transits the Suez Canal en route to the Red Sea.

US Navy photo by Mass Communication Specialist 2nd Class Elliot Schaudt

Japan's 'Big Whale' submarines add another weapon to bottle up China's navy

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Japan has built one Taigei-class attack submarine every year since 2020. The lead ship seen here was commissioned in 2022.
Japan has built one Taigei-class attack submarine every year since 2020. The lead ship seen here was commissioned in 2022.

Japan Maritime Self-Defense Force

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