
Auxiliary motor minesweepers were small wood-hulled minesweepers commissioned by the United States Navy for service during World War II. The vessels were numbered, but unnamed. The auxiliary motor minesweepers were originally designated yard minesweepers (YMS) and kept the abbreviation YMS after being re-designated. The type proved successful and eventually became the basis for the AMS type of United States Navy minesweeper.

USS Chatterer (AMS-40/YMS-415) was a YMS-1-class minesweeper of the YMS-135 subclass acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent ships from passing.

USS Chief (AM-315) was an Auk-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing, and named after the word "chief," the head or leader of a group.

USS Condor was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the second U.S. Navy ship named for the condor.

USS Curlew was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the fourth U.S. Navy ship to be named for the curlew.

USS Defense (AM-317) was an Auk-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing.

USS Devastator (AM-318) was an Auk-class minesweeper acquired by the U.S. Navy for the dangerous task of removing naval mines from minefields laid in the water to prevent ships from passing.

USS Firecrest (AMS-10/YMS-231) was an YMS-1-class minesweeper of the YMS-135 subclass acquired by the U.S. Navy for clearing coastal minefields during World War II.

USS Gladiator (AM-319) was an Auk-class minesweeper acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing.

USS Gull (MHC-46/AMCU-46/AMS-16/YMS-324) was a YMS-1-class minesweeper of the YMS-135 subclass acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent ships from passing.

USS Heron was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II.

USS Hummer (AMS-20/YMS-372) was a YMS-1-class minesweeper of the YMS-135 subclass acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent ships from passing.

USS Impeccable (AM-320) was an Auk-class minesweeper built for the United States Navy during World War II. She was originally ordered as HMS Brutus (BAM-7) for the United Kingdom's Royal Navy under Lend-Lease, but was acquired and renamed by the United States Navy before construction began. She was commissioned in 1944 and served in the Pacific before being decommissioned in 1947. After the outbreak of hostilities in Korea, Impeccable was recommissioned in 1952 and served off Korea through 1952. She was decommissioned for the final time in October 1955 and placed in reserve. She was sold for scrapping in 1974.

USS Kite was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II.

USS Magpie (AMS-26/YMS-400) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II.

USS Merganser (AMS-26/AMCU-47/MHC-47) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II.

USS Mockingbird (AMS-27/YMS-419) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the second U.S. Navy ship to be named Mockingbird.

USS Murrelet (AM-372) was an Auk-class minesweeper acquired by the United States Navy to remove mines from minefields laid to prevent ships from passing. She was the only U.S. Navy ship named for the murrelet, a small sea bird found chiefly on islands in the northern Pacific Ocean.

USS Osprey (AMS-28/YMS-422) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the third U.S. Navy ship to be named for the osprey.

USS Partridge (AMS-31/YMS-437) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy in World War II.

USS Pelican was a YMS-1-class minesweeper of the YMS-135 subclass acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent ships from passing.

USS Pirate (AM-275) was an Admirable-class minesweeper built for the U.S. Navy during World War II. She was built to clear minefields in offshore waters, and served the Navy in the North Atlantic Ocean and then in the Pacific Ocean. She was returned to active service for the Korean War. During Operation Wonsan she struck a mine and sunk. For her dangerous work, she was awarded four battle stars for her Korean War effort.

USS Pledge (AM-277) was an Admirable-class minesweeper built for the U.S. Navy during World War II. She was built to clear minefields in offshore waters, and served the Navy in the Atlantic Ocean and then was transferred to the North Pacific Ocean. She survived the world war and was awarded one battle star, but, during the Korean War, she struck a mine and was sunk. She received the Presidential Unit Citation for her Korean service.

USS Redhead (AMS-34/YMS-443) was a YMS-1-class minesweeper of the YMS-135 subclass built for the United States Navy during World War II. She was the first U.S. Navy ship to be named for the Redhead duck.

USS Redstart (AM-378/MSF-378) was an Auk-class minesweeper commissioned by the United States Navy for service in World War II. Her task, as a fleet minesweeper, was to clear mines as the fleet proceeded into battle areas.

USS Ruddy (AM-380) was an Auk-class minesweeper acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. She was the only U.S. Navy ship named for the North American ruddy duck.

USS Shoveler (AM-382) was an Auk-class minesweeper acquired by the U.S. Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing.

USS Surfbird (AM-383) was an Auk-class minesweeper built during World War II for the United States Navy. She was the only U.S. Navy ship named for the surfbird.

USS Swallow was a YMS-1-class minesweeper of the YMS-446 subclass built for the United States Navy during World War II. She was originally laid down as PCS-1416, and, when renamed later in her career, became the third U.S. Navy ship named for the swallow.

USS Toucan (AM-387) was an Auk-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. She was the only U.S. Navy ship named for the toucan, a brightly colored and easily tamed bird of the American tropics, characterized by its large but thin beak.

USS Waxbill (MHC-50/AMCU-50/AMS-39/YMS-479/PCS-1456) was a YMS-1-class minesweeper of the YMS-446 subclass acquired by the U.S. Navy for the task of removing mines placed in the water to prevent ships from passing.

USS Waxwing (AM-389) was an Auk-class minesweeper acquired by the United States Navy for the dangerous task of removing mines from minefields laid in the water to prevent ships from passing. She was the only U.S. Navy ship named for the waxwing, any of several American and Asiatic songbirds which are for the most part brown and are characterized by predominant crests and velvety plumage.

USS Zeal (AM-131) was an Auk-class minesweeper that served in both World War II and during the Korean War. As a steel-hulled fleet minesweeper, she was assigned to support the fleet by removing enemy mines whose purpose was to impede the path of the U.S. Pacific Fleet.