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NavSource Online: Mine Warfare Vessel Photo Archive

Osprey (MSC[O] 28)

Call sign:
November - Quebec - Foxtrot - Lima

Osprey served the Navies of the United States and Japan.

YMS-1 Class Auxiliary Motor Minesweeper:

  • Laid down 9 October 1943 by the Astoria Marine Construction Co., Astoria, Oregon
  • Launched 1 June 1944
  • Completed and commissioned USS YMS-422, 27 September 1944
  • Reclassified as a Motor Minesweeper, AMS-28 and named Osprey, 18 February 1947
  • Reclassified as a Coastal Minesweeper, (Old), MSC(O)-28, 7 February 1955
  • Transferred to the Japanese Maritime Self-Defense Force 22 March 1955 and renamed Yakushima (MSC 658)
  • Reclassified YTE-10
  • Sold for scrap 1 June 1969
  • Struck from the Navy Register 15 June 1969.


  • Displacement 270 t.
  • Length 136'
  • Beam 24' 6"
  • Draft 8'
  • Speed 15 kts.
  • Complement 34
  • Armament: One 3"/50 dual purpose gun mount, two 20mm mounts and two depth charge projectors
  • Propulsion: Two 880bhp General Motors 8-268A diesel engines, Snow and Knobstedt single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    Osprey 104k 1 February 1944
    YMS-422 construction progress photo
    Astoria Marine Construction Co.
    USS YMS-422
    Osprey 165k c. 1945
    Conducting light line transfer. Appears to be mail bags
    David Wright
    Photo added 27 January 2022
    Osprey 250k c. 1945
    YMS-422 in San Francisco Bay
    Courtesy of Donald M. McPherson, 1976
    U.S. Navy photo NH 84987
    Naval History and Heritage Command
    USS Osprey (AMS 28)
    Osprey 44k

    Osprey - A large hawk-like bird with a dark brown back and a white breast, found in most countries of the world

    Tommy Trampp
    Incredible 125k Commanding Officers of Mine Division Thirty-one in conference off Korea, 26 October 1950. Probably taken in the wardroom of USS Incredible (AM 249) during minesweeping operations off Wonsan

    Those present are (from left to right):
    Lieutenant Edward P. Flynn, Commanding Officer of USS Incredible;
    Lieutenant (Junior Grade) Nicholas Grkovic, CO of USS Kite (AMS 22);
    Lieutenant (Junior Grade) Robert C. Fuller, CO of USS Partridge (AMS-31);
    Lieutenant Commander D'Arcy V. Shouldice, Commander, Mine Division 31;
    Lieutenant (Junior Grade) T.R. Howard, CO of USS Redhead (AMS-34);
    Lieutenant (Junior Grade) James P. McMahon, CO of USS Chatterer (AMS-40);
    Lieutenant (Junior Grade) Philip Levin, CO of Osprey and
    Lieutenant (Junior Grade) Stanley P. Gary, CO of USS Mockingbird (AMS 27)
    National Archives photo 80-G-422081

    Robert Hurst
    Chatterer 146k 30 November 1950
    Mine Division 31 tied up at Yokosuka, following mine clearance activities off Korea.
    From left to right: Merganser (AMS-26); Osprey; Chatterer (AMS-40) and Mockingbird (AMS-27)
    U.S. Navy photo 80-G-424597
    Naval Historical Center
    Osprey 82k Photograph dated 26 April 1952, during the ship's Korean War service
    U.S. Navy photo NH 68536
    Osprey 164k Ship's officers and crew, at Sasebo, Japan, 28 February 1952. Ship behind them is not Osprey, but a larger, two-stacked Auk-class minesweeper
    Naval Historical Center photo NH 73692
    Bill Gonyo
    Osprey 127k Eight crew members who had been recently promoted, circa 1952. They are posing on the forecastle, with the pilothouse and ship's bell behind them
    Naval Historical Center photo NH 73694
    Osprey 105k Ship's cook in the galley, preparing to fry some eggs, circa 1952
    Naval Historical Center photo NH 73695
    AMS-5 Condor/LST-735 Dukes County 88k c. 1952/1954
    Dukes County (LST-735) serving as mother ship for seven minesweepers, probably in a Japanese port. Ships nested alongside are: Gull (AMS 16), Firecrest (AMS-10), Condor (AMS-5), Merganser (AMS-26), Osprey, Competent (AM-316), and Chief (AM-315)
    Courtesy U.S. Naval Institute, James C. Fahey Collection
    U.S. Navy photo NH 68589
    Naval Historical Center

    Commanding Officers
    01LT Seaton R. Daly, USN27 September 1944
    02ENS Hans Peter Hansen, USN1944
    03ENS John Eugene Dutra, USN - Retired as Commander14 October 1947 - 17 May 1948
    04LTJG Philip Levin, USN - Awarded the Silver Star (1950)1950 - August 1951
    05LT Daniel Thomas Wieland, Jr., USN - USNA Class of 1946August 1951 - August 1952
    06LT Herman Jackson Sanders, USNAugust 1952
    07LT Edwin Boyd Robbins, USN - USNA Class of 19471953
    Courtesy Wolfgang Hechler, Ron Reeves and Joe Radigan

    View the Osprey (AMS-28)
    DANFS History entry located on the Haze Gray & Underway Website
    Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Auxiliary Motor Minesweeper (YMS) Photo Index Back to the Motor Minesweeper (AMS) Photo Index Back to the Coastal Minesweeper (MSC) Photo Index

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