USS Oyster Bay (AGP-6), originally and later AVP-28, was a 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...

 motor torpedo boat tender

Motor torpedo boat tender

Motor torpedo boat tender is a type of ship used by the U.S. Navy during World War II. The Motor torpedo boat tender's task was to act as a tender in remote areas for patrol boats and to provide the necessary fuel and provisions for the torpedo boats she was responsible for...

 in commission from 1943 to 1946.
Oyster Bay was laid down as a Barnegat-class

Barnegat class seaplane tender

|The Barnegat class was a large class of United States Navy small seaplane tenders built during World War II. Thirty were completed as seaplane tenders, four as motor torpedo boat tenders, and one as a catapult training ship.-Design:...

 small seaplane tender

Seaplane tender

A seaplane tender is a ship that provides facilities for operating seaplanes. These ships were the first aircraft carriers and appeared just before the First World War.-History:...

 designated AVP-28 at Lake Washington Shipyard

Lake Washington Shipyard

Lake Washington Shipyards was a shipyard in Houghton, Washington on the shore of Lake Washington. Today the shipyards are the site of the lakeside Carillon Point business park...

, Houghton

Houghton, Washington

Houghton is one of the lakeside neighborhoods of the city of Kirkland, Washington. Consisting mostly of upscale, single-family homes, Houghton overlooks Lake Washington and is one of the wealthier districts of the Eastside suburbs of Seattle. The village was named for Willard Houghton, a local...

 Washington, on 17 April 1942, and was launched on 7 September 1942, sponsored by Mrs. William K. Harrill. On 1 May 1943 she was reclassified as a motor torpedo tender and redesignated AGP–6 and, accordingly, completed to a modified design to allow her to fulfill this new role.