USS Sparrow (AMc-31)

USS Sparrow (AMc-31) was a coastal 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.

World War II service
The purse seiner Pacific was acquired by the Navy on November 14, 1940 at San Diego, California. Fifteen days later, she was assigned the name Sparrow, and designated a coastal minesweeper, AMC-31.

Reclassified harbor tug
On December 12, 1940, she was reclassified as a harbor tug, and the name Sparrow was cancelled. On February 5, 1941, she was named Marin, and redesignated a net tender, YN-53.