From: Dictionary of American Naval Fighting Ships
A sea duck, found chiefly in North America, Iceland and Siberia.
(AM-365: dp. 530; 1. 184'6"; b. 33'; dr. 9'9"; s.15 k.; cpl. 104; a. 1 3'', 4 40mm.; cl. Admirable)
Harlequin (AM-365) was launched 3 June 1944 by Willamette Iron & Steel Corp., Portland, Oreg.; sponsored by Mrs. Mary M. Doig, whose husband and son were reported missing in action and who also had another son, a brother, and nine nephews in the Navy. She commissioned 28 September 1945, Lt. Henry R. Darling, USNR, in command.
Reporting to San Pedro, Calif., for shakedown 19 October, Harlequin remained there until 29 November, when she sailed south, reaching New Orleans 15 December. Harlequin sailed to Orange, Tex., 2 April 1946 and decommissioned there 27 May. She was reclassified MSF-365, 7 February 1955. Harlequin was struck from the Navy List 1 May 1962, and later [2 October 1962] sold to Mexico. [Extractor's Note: Served in Mexican Navy as DM-20]