BAP Abtao (SS-42) was a of the Peruvian Navy

Peruvian Navy

The Peruvian Navy is the branch of the Peruvian Armed Forces tasked with surveillance, patrol and defense on lakes, rivers and the Pacific Ocean up to 200 nautical miles from the Peruvian littoral...

.

The submarine was built by 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...

 Company at 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....

 and delivered on 1 March 1954. She initially served as Tiburón ("Shark"), but was renamed Abtao in April 1957. Originally assigned pennant number

Pennant number

In the modern Royal Navy, and other navies of Europe and the Commonwealth, ships are identified by pennant numbers...

 5, in 1959 she was designated SS-2, then renumbered SS-42 in 1960. The submarine was decommissioned in 1998 and became a museum ship

Museum ship

A museum ship, or sometimes memorial ship, is a ship that has been preserved and converted into a museum open to the public, for educational or memorial purposes...

in 2004.