USS Cavalla (SSN-684), a , was the second 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 the cavalla, a salt water fish. Although it was a Sturgeon class design, Cavalla was a modified "long hull" boat, approximately 10 feet (3 m) longer than the earlier ships in its class.

Construction and commissioning

The contract to build Cavalla 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

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....

, Connecticut

Connecticut

Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

, on 24 July 1968 and her keel

Keel

In boats and ships, keel can refer to either of two parts: a structural element, or a hydrodynamic element. These parts overlap. As the laying down of the keel is the initial step in construction of a ship, in British and American shipbuilding traditions the construction is dated from this event...

 was laid down there on 4 June 1970. 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 19 February 1972 sponsored by Mrs. Melvin Price, 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 9 February 1973, with Commander

Commander

Commander is a naval rank which is also sometimes used as a military title depending on the individual customs of a given military service. Commander is also used as a rank or title in some organizations outside of the armed forces, particularly in police and law enforcement.-Commander as a naval...

 (later Admiral

Admiral

Admiral is the rank, or part of the name of the ranks, of the highest naval officers. It is usually considered a full admiral and above vice admiral and below admiral of the fleet . It is usually abbreviated to "Adm" or "ADM"...

) Bruce DeMars

Bruce DeMars

Bruce DeMars is a retired United States Navy four star admiral who served as Director, Naval Nuclear Propulsion from 1988 to 1996.-Early years:DeMars was born in Chicago, Illinois, on June 3, 1935, and graduated from the United States Naval Academy in 1957....

 in command.

Service history

In mid-1980, Cavalla moved to her new home port

Home port

A vessel's home port is the port at which it is based, which may not be the same as its port of registry shown on its registration documents and lettered on the stern of the ship's hull...

 at Submarine Base Pearl Harbor at Pearl Harbor

Pearl Harbor

Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

, Hawaii

Hawaii

Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

, where she was assigned to Submarine Squadron 1

Submarine Squadron 1

Submarine Squadron 1 is a squadron of submarines of the United States Navy based at Joint Base Pearl Harbor-Hickam, Pearl Harbor, HI under the command of Captain Robinson . The submarines that make up SUBRON 1 include:-See also:...

. Her operations from Pearl Harbor covered the globe, including the Atlantic

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

, Pacific

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, Indian

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

, and Arctic Ocean

Arctic Ocean

The Arctic Ocean, located in the Northern Hemisphere and mostly in the Arctic north polar region, is the smallest and shallowest of the world's five major oceanic divisions...

s.
In 1983, Cavalla became the first submarine to successfully perform dry deck shelter

Dry Deck Shelter

A Dry Deck Shelter is a removable module that can be attached to a submarine to allow divers easy exit and entrance while the boat is submerged...

 -- a tank attached to the after deck

Deck (ship)

A deck is a permanent covering over a compartment or a hull of a ship. On a boat or ship, the primary deck is the horizontal structure which forms the 'roof' for the hull, which both strengthens the hull and serves as the primary working surface...

 back of the submarine allowing personnel to leave the submarine while submerged—operations in 1983.
During her Western Pacific deployment of 1985-1986, Cavalla supported critical dry deck shelter operations for SEAL

United States Navy SEALs

The United States Navy's Sea, Air and Land Teams, commonly known as Navy SEALs, are the U.S. Navy's principal special operations force and a part of the Naval Special Warfare Command as well as the maritime component of the United States Special Operations Command.The acronym is derived from their...

 team certification. She was awarded the 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....

 for these operations. In addition to this award, her crew members also earned various U.S. Navy ceremonial certificates during this same deployment: "shellback"

Line-crossing ceremony

The ceremony of Crossing the Line is an initiation rite in the Royal Navy, U.S. Navy, U.S. Coast Guard, U.S. Marine Corps, and other navies that commemorates a sailor's first crossing of the Equator. Originally, the tradition was created as a test for seasoned sailors to ensure their new shipmates...

 status for crossing the equator

Equator

An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass....

, the Order of the Ditch on two occasions for transiting the Panama Canal

Panama Canal

The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

, the Domain of the Golden Dragon

Domain of the Golden Dragon

The Domain of the Golden Dragon is an unofficial United States Navy award. It is given to crew members of ships which cross the International Date Line....

 on two occasions for crossing the International Date Line

International Date Line

The International Date Line is a generally north-south imaginary line on the surface of the Earth, passing through the middle of the Pacific Ocean, that designates the place where each calendar day begins...

, and the Order of the Spanish Main for operating in the Caribbean Sea

Caribbean Sea

The Caribbean Sea is a sea of the Atlantic Ocean located in the tropics of the Western hemisphere. It is bounded by Mexico and Central America to the west and southwest, to the north by the Greater Antilles, and to the east by the Lesser Antilles....

.
In 1995, 'Cavalla deployed to the Arctic Ocean for civilian scientific research.
In 1996, Cavalla participated in the very first joint American-Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

ese deep submergence rescue vehicle

Deep Submergence Rescue Vehicle

A Deep Submergence Rescue Vehicle is a type of Deep Submergence Vehicle used for rescue of downed submarines and clandestine missions. While DSRV is the term most often used by the United States Navy other nations have different designations for their vehicles.- Chinese models :The People's...

 operation.

Decommssioning and disposal

Cavalla was decommissioned

Ship decommissioning

To decommission a ship is to terminate her career in service in the armed forces of her nation. A somber occasion, it has little of the elaborate ceremony of ship commissioning, but carries significant tradition....

 on 30 March 1998 and stricken from the Naval Vessel Register

Naval Vessel Register

The Naval Vessel Register is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from the time a vessel is authorized through its life cycle and...

 the same day. Her scrapping via the Nuclear-Powered Ship and Submarine Recycling Program at Puget Sound Naval Shipyard

Puget Sound Naval Shipyard

Puget Sound Naval Shipyard and Intermediate Maintenance Facility is a United States Navy shipyard covering 179 acres on Puget Sound at Bremerton, Washington...

 in Bremerton

Bremerton, Washington

Bremerton is a city in Kitsap County, Washington, United States. The population was 38,790 at the 2011 State Estimate, making it the largest city on the Olympic Peninsula. Bremerton is home to Puget Sound Naval Shipyard and the Bremerton Annex of Naval Base Kitsap...

, Washington, was completed on 17 November 2000.

External links

• NavSource Online: Submarine Photo Archive Cavalla (SSN-684)