USS Portsmouth (SSN-707), a Los Angeles-class submarine

Los Angeles class submarine

The Los Angeles class, sometimes called the LA class or the 688 class, is a class of nuclear-powered fast attack submarines that forms the backbone of the United States submarine fleet. With 43 submarines on active duty and 19 retired, the Los Angeles class is the most numerous nuclear powered...

, was the fourth ship of the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 to be named for Portsmouth, New Hampshire

Portsmouth, New Hampshire

Portsmouth is a city in Rockingham County, New Hampshire in the United States. It is the largest city but only the fourth-largest community in the county, with a population of 21,233 at the 2010 census...

, and Portsmouth, Virginia

Portsmouth, Virginia

Portsmouth is located in the Hampton Roads metropolitan area of the U.S. Commonwealth of Virginia. As of 2010, the city had a total population of 95,535.The Norfolk Naval Shipyard, often called the Norfolk Navy Yard, is a historic and active U.S...

. The contract to build her was awarded to the Electric Boat

Electric boat

While a significant majority of water vessels are powered by diesel engines, with sail power and gasoline engines also remaining popular, boats powered by electricity have been used for over 120 years. Electric boats were very popular from the 1880s until the 1920s, when the internal combustion...

 Division of General Dynamics

General Dynamics

General Dynamics Corporation is a U.S. defense conglomerate formed by mergers and divestitures, and as of 2008 it is the fifth largest defense contractor in the world. Its headquarters are in West Falls Church , unincorporated Fairfax County, Virginia, in the Falls Church area.The company has...

 Corporation in Groton, Connecticut

Groton, Connecticut

Groton is a town located on the Thames River in New London County, Connecticut, United States. The population was 39,907 at the 2000 census....

 on 10 December 1973 and her keel was laid down on 8 May 1980. She was launched

Ship naming and launching

The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 on 18 September 1982 sponsored by Mrs. Helen Poe Goodrich, and commissioned

Ship commissioning

Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 1 October 1983, with Commander Donald M. Olson in command.

Three weeks after commissioning Portsmouth began her first mission, supporting rescue operations in Grenada

Grenada

Grenada is an island country and Commonwealth Realm consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea...

. She was awarded the Armed Forces Expeditionary Medal

Armed Forces Expeditionary Medal

The Armed Forces Expeditionary Medal is a military award of the United States military, which was first created in 1961 by Executive Order of President John Kennedy...

 for that action.

In 1984 Portsmouth entered her homeport of Groton, Connecticut

Groton, Connecticut

Groton is a town located on the Thames River in New London County, Connecticut, United States. The population was 39,907 at the 2000 census....

.
She was the first American nuclear powered warship to make a liberty visit to communist Chinese reunified Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

.

On 10 September 2004 Portsmouth decommissioned at Norfolk, Virginia

Norfolk, Virginia

Norfolk is an independent city in the Commonwealth of Virginia in the United States. With a population of 242,803 as of the 2010 Census, it is Virginia's second-largest city behind neighboring Virginia Beach....

. While the submarine was only halfway through her design lifespan, her reactor core required refueling. Decommissioning was chosen as a cost-saving measure.

Awards

The ship deployed to 5th Fleet with the Nimitz Battle Group in 1995-1996. She was awarded the Navy Meritorious Unit Commendation

Meritorious Unit Commendation

The Meritorious Unit Commendation is a mid-level unit award of the United States military which is awarded to any military command which displays exceptionally meritorious conduct in the performance of outstanding service, heroic deeds, or valorous actions....

 (MUC) and the COMSUBRON 11 Battle "E".

The ship deployed to 7th Fleet in 1997. The crew was awarded the Navy Expeditionary Medal

Navy Expeditionary Medal

The Navy Expeditionary Medal is an award of the United States Navy which was first created in August 1936 by General Orders of the Department of the Navy...

. Upon return to homeport, the ship was again awarded the COMSUBRON 11 Battle "E", judged the most battle effective submarine in her squadron.