Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...
Add Yahoo as a preferred source to see more of our stories on Google. Handout image from South Korea's Navy of the Jang Yeongsil submarine that launched on October 22, 2025 in Geoje, South Korea. - ...
Interesting Engineering on MSN
US Navy’s SeaGuardian drone drops sonobuoys to hunt submarines hidden in deep sea
General Atomics Aeronautical Systems, Inc. (GA-ASI) tested its MQ-9B SeaGuardian drone with a new ...
Interesting Engineering on MSN
China’s nuclear submarine fleet size surpasses Russia, closes in on the US
China has overtaken Russia to become the world’s second-largest operator of nuclear-powered submarines. Updated ...
Seoul, South Korea (CNN) — South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in ...
Seoul, South Korea (CNN) — South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. CNN — Seoul, South Korea (CNN) — South Korea ...
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