USS ''Kemah'' (SP-415) was a

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 ...

patrol vessel A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they ...

in commission from 1918 to 1919. ''Kemah'' was laid down as a private motor

yacht A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, though the term generally applies to vessels with a cabin intended for overnight use. To be termed a , as opposed to a , such a pleasu ...

of the same name in 1917 by the Luders Marine Construction Company at Stamford,

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

. While she was still under construction, the U.S. Navy acquired her from her owner, F. E. Lewis II of

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

, on 7 October 1917 for use as a

section patrol A Section Patrol Craft was a civilian vessel registered by the United States Navy for potential wartime service before, during, and shortly after World War I. Historical overview The SP/ID registration system In 1916, with World War I raging a ...

vessel during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

. She was completed in 1918, brought to the

New York Navy Yard The Brooklyn Navy Yard (originally known as the New York Navy Yard) is a shipyard and industrial complex located in northwest Brooklyn in New York City, New York (state), New York. The Navy Yard is located on the East River in Wallabout Bay, a ...

in April 1918, and commissioned there as USS ''Kemah'' (SP-415) on 16 July 1918. Initially assigned to the

6th Naval District The naval district was a U.S. Navy military and administrative command ashore. Apart from Naval District Washington, the Districts were disestablished and renamed Navy Regions about 1999, and are now under Commander, Naval Installations Command ...

, ''Kemah'' was reassigned to the

3rd Naval District The naval district was a U.S. Navy military and administrative command ashore. Apart from Naval District Washington, the Districts were disestablished and renamed Navy Regions about 1999, and are now under Commander, Naval Installations Command ...

at New York City upon commissioning. Restricted to protected waters, ''Kemah'' served as a

guard ship A guard ship is a warship assigned as a stationary guard in a port or harbour, as opposed to a coastal patrol boat, which serves its protective role at sea. Royal Navy In the Royal Navy of the eighteenth century, peacetime guard ships were usual ...

New York Harbor New York Harbor is at the mouth of the Hudson River where it empties into New York Bay near the East River tidal estuary, and then into the Atlantic Ocean on the east coast of the United States. It is one of the largest natural harbors in t ...

s coastal waters until she was removed from active service on 3 September 1919. ''Kemah'' was decommissioned on 18 September 1919. She was sold to R. T. Robinson of

San Diego 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 List of United States cities by population, eigh ...

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 ...

, on 22 September 1919.

References

*
Department of the Navy Naval History and Heritage Command Online Library of Selected Images: U.S. Navy Ships: USS ''Kemah'' (SP-415), 1918-1920
{{DEFAULTSORT:Kemah, USS 1918 ships Individual yachts Patrol vessels of the United States Navy Ships built in Stamford, Connecticut World War I patrol vessels of the United States