GROTON, Conn. – Ensign Grant Totten, a native of Columbus (Indiana), is training to be part of the U.S. Navy’s 125-year tradition of service under the sea. Totten graduated from Columbus East High ...

When people think of military submarines like the Ohio-class nuclear subs used by the United States Navy, they likely picture them firing massive nuclear missiles. While these deadly, deep-diving ...

South Korea's Defence Ministry announces its intent to launch a nuclear-powered submarine built with domestic technology in ...

As part of the exercise, the Pacific Fleet sailors will practice search for submarines of a hypothetical enemy, defense from air attacks, and joint missile strikes on single and group sea targets ...

The Royal Navy’s new £1.5bn submarine has performed its first dive. HMS Agamemnon never needs to be refuelled and can stay underwater indefinitely, limited only by the endurance of her 100-strong crew ...