The U.S. Navy awarded defense contractor Lockheed Martin a $383 million contract to produce upgraded Trident II D5 missiles for future submarines ...

The submarine’s propulsion system converts nuclear energy directly into electrical power, making the Columbia-class boats the quietest and stealthiest ever built. The USS District of Columbia ...

He said construction of the first two Columbia-class ballistic missile submarines continues at EB ... The first, the District of Columbia (SSBN-826), is 53% complete while the second, Wisconsin ...

While there is no denying that the United States of America remains the world's most powerful military force as of 2025, its military superiority is being challenged by countries like China and ...

The USS District of Columbia (SSBN-826) lead boat is projected for delivery in October 2028 and is expected to enter operation in 2031. A total of 12 planned Columbia-class submarines will be ...

HSwMS Halland is the final Gotland-class submarine to receive an MLU that aims to keep the class of three boats in service out to at least 2030. (Royal Swedish Navy) Saab has relaunched the Royal ...

The submarine was due to be named HMS Agincourt, but will now follow HMS Agamemnon's lead, being named after a warrior from the Iliad. The UK Royal Navy (RN) has changed the name of the final Astute ...

Virginia-class submarine program. The Navy has been procuring Virginia (SSN-774) class nuclear-powered attack submarines (SSNs) since FY1998, and a total of 40 have been procured through FY2024.