USS Pledge (AM-492/MSO-492) was an Aggressive-class minesweeper acquired by the U.S. Navy for the task of removing mines that had been placed in the water to prevent the safe passage of ships. The second ship to be named Pledge by the Navy, MSO-492, a minesweeper, was laid down on 24 June 1954 by the J. M. Martinac Shipbuilding Corp., Tacoma, Washington, launched 20 July 1955, sponsored by Mrs. T. F. Uitsch, and commissioned 20 April 1956, Lt. Thomas D. Pfundstein in command.