The world's first operational nuclear-powered ballistic missile submarine was USS George Washington (SSBN-598) with 16 Polaris A-1 missiles, which entered service in December 1959 and conducted the first SSBN deterrent patrol November 1960 – January 1961. [10] (

2025年2月27日 · The SSBN's strategic weapon is the Trident II D5 missile, which provides increased range and accuracy over the now out-of-service Trident I C4 missile. SSBNs are specifically designed for...

The SSBN submarines provide the sea-based leg of the U.S. nuclear triad. Each SSBN submarine is armed with up to 20 Trident II submarine-launched ballistic missiles (SLBM). Each SSGN is capable of carrying 154 Tomahawk cruise missiles, plus a complement of Harpoon missiles to be fired through their torpedo tubes.

The SSBN's strategic weapon is the Trident II D5 missile, which provides increased range and accuracy over the now out-of-service Trident I C4 missile. SSBNs are specifically designed for...

The 14 Ohio-class SSBNs can carry up to 24 submarine-launched ballistic missiles (SLBMs) with multiple independently-targeted warheads. However, under the New Strategic Arms Limitation Treaty,...

2025年1月13日 · WASHINGTON – Secretary of the Navy Carlos Del Toro announced Jan. 13 that the newest Columbia-class ballistic missile submarine will be named the future USS Groton (SSBN 828). The...

2024年6月24日 · Under Raborn’s direction, the Navy developed the Polaris missile and designed the first nuclear-powered ballistic missile submarine, George Washington (SSBN-598), in 1959. Originally laid down...

2025年2月20日 · The Navy’s Columbia (SSBN-826) class ballistic missile submarine (SSBN) program is a program to design and build a class of 12 new SSBNs to replace the Navy’s current force of 14 aging Ohio ...

2024年2月15日 · U.S. Ballistic missile submarines, also known as “boomers” or FBMs (Fleet Ballistic Missile submarines, designated SSBN) are submarines capable of launching strategic nuclear weapons upon short notice.

2024年10月22日 · India quietly launched its fourth nuclear-powered ballistic missile submarine (SSBN) at the Ship Building Center (SBC) in Visakhapatnam, enhancing its nuclear deterrence capabilities. The fourth SSBN is codenamed S4*.