The Ohio class of nuclear-powered submarines includes the United States Navy's 14 ballistic missile submarines (SSBNs) and its four cruise missile submarines (SSGNs). Each displacing 18,750 tons submerged, the Ohio-class boats are the …

2014年8月21日 · USS Pennsylvania is a United States Navy Ohio-class ballistic missile submarine which has been in commission since 1989. The Ohio class is a class of nuclear powered submarines used by the...

This is a list of submarines of the United States Navy, listed by hull number and by name.

The United States military possesses many submarines. There are many different types of submarines, and each type is categorized into different classes. ... At the time of its creation, it was the largest submarine ever built by the United States Navy. Constructed in Ohio, the huge U.S. submarine was launched on April 7, 1979. It was the fourth ...

Submarines of the United States Navy are built in classes, using a single design for a number of boats. Minor variations occur as improvements are incorporated into the design, so later boats of a class may be more capable than earlier. Also, boats are modified, sometimes extensively, while in service, creating departures from the class standard.

2024年5月7日 · 5 Best U.S. Navy Submarines Ever . Below is an overview of the Navy’s top submarines to ever sail: the Los Angeles-class, Seawolf-class, Virginia-class, Ohio-class and Columbia-class.

2025年1月28日 · The Ohio-class submarines are the largest submarines ever built in the United States. These formidable vessels are second in size only to the Soviet Typhoon-class (Project 941) SSBNs and Russian Borei-class (Project 955) SSBNs. The Typhoon class, in particular, has a displacement more than twice that of the Ohio-class.

2024年12月5日 · The Ohio class is the largest class of submarines in the US Navy, with a total of 18 boats in service. These ballistic missile submarines (SSBNs) were designed to replace the aging Benjamin Franklin and Lafayette classes and were first commissioned in 1981.

2019年5月14日 · The navy has 18 Ohio-class submarines: 14 ballistic missile submarines (SSBN) and four that were later converted to guided missile submarines (SSGN). The Ohio class was named after the lead submarine of this class, USS Ohio.

2022年5月23日 · The Columbia class will be massive – the biggest submarine the United States has ever built. The vessels are planned to be 560 feet long, with a beam of 43 feet and 21,000 tons of displacement. The Columbia class will have a life-of-ship nuclear reactor, which means the reactor could be in service for at least 40 years, with only a brief ...