USS ''S-9'' (SS-114) was a second-group ( or "Government") ''S''-class

submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...

of the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

. Her keel was laid down on 20 January 1919 by the Portsmouth Navy Yard. She was launched on 17 June 1920 sponsored by Mrs. James E. Palmer, and commissioned on 21 February 1921. Following duty off the northeast coast, ''S-9'' sailed from

New London, Connecticut New London is a seaport city and a port of entry on the northeast coast of the United States, located at the mouth of the Thames River in New London County, Connecticut. It was one of the world's three busiest whaling ports for several decades ...

, on 31 May 1921, and proceeded via the

Panama Canal The Panama Canal ( es, Canal de Panamá, link=no) is an artificial waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean and divides North and South America. The canal cuts across the Isthmus of Panama and is a conduit ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

, and

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Re ...

to the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

, arriving at

Cavite Cavite, officially the Province of Cavite ( tl, Lalawigan ng Kabite; Chavacano: ''Provincia de Cavite''), is a province in the Philippines located in the Calabarzon region in Luzon. Located on the southern shores of Manila Bay and southwest ...

Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...

on 6 December. There, she joined Submarine Division 12 (SubDiv 12), whose S-boats — along with those of SubDiv 18 — had arrived on 1 December. In 1922, she sailed from Cavite on 11 October visited

Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China ( abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delt ...

from 14 to 28 October, and returned to Cavite on 31 October. On 30 April 1923, she departed from Cavite and visited

Shanghai Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flow ...

, Chefoo, and

Chinwangtao Qinhuangdao (; ) is a port city on the coast of China in northern Hebei. It is administratively a prefecture-level city, about east of Beijing, on the Bohai Sea, the innermost gulf of the Yellow Sea. Its population during the 2020 national ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

, before returning via Woosung and Amoy to Cavite on 11 September. On 23 June 1924, she sailed from

Manila Bay Manila Bay ( fil, Look ng Maynila) is a natural harbor that serves the Port of Manila (on Luzon), in the Philippines. Strategically located around the capital city of the Philippines, Manila Bay facilitated commerce and trade between the Phili ...

and again visited ports in China before returning to Olongapo on 23 September. Departing from Cavite on 29 October, ''S-9'' arrived at Mare Island, California on 30 December. Remaining at Mare Island in 1925, she operated along the United States West Coast in 1926, mainly at

San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...

, San Pedro Submarine Base- San Pedro, and

San Diego, California San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States ...

. Departing Mare Island on 11 February 1927, she operated in the Panama Canal area from March into April, arrived at New London on 3 May, and spent the remainder of 1927 along the northeast coast. ''S-9'' served in the Panama Canal area from February–April 1928, from January–March 1929, and from January–March 1930. Departing New London on 22 October, ''S-9'' was decommissioned on 15 April 1931 at

Philadelphia, Pennsylvania Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...

. She was struck from the Naval Vessel Register on 25 January 1937.

References

{{DEFAULTSORT:S-09 (SS-114) Ships built in Kittery, Maine United States S-class submarines 1920 ships