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An A-10 Thunderbolt II aircraft above the ballistic missile submarine USS Wyoming on July 15.
An A-10 Thunderbolt II aircraft above the ballistic missile submarine USS Wyoming on July 15.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.