Please report any broken links or trouble you might come across to the Webmaster. Please take a moment to let us know so that we can correct any problems and make your visit as enjoyable and as informative as possible.

NavSource Online: Service Ship Photo Archive

Contributed by Al Grazevich

USS Cocopa (ATF-101)
USS Cocopa (AT-101) (1944)

International Radio Call Sign:
November - Whiskey - Oscar - Zulu
Awards, Citations and Campaign Ribbons

Precedence of awards is from top to bottom, left to right
Top Row - China Service Medal (extended)
Second Row - American Campaign Medal - Europe-Africa-Middle East Campaign Medal - Asiatic-Pacific Campaign Medal
Third Row - World War II Victory Medal - Navy Occupation Service Medal (with Asia clasp) - National Defense Service Medal (2)
Fourth Row - Korean Service Medal (1) - Armed Forces Expeditionary Medal (2-Taiwan Straits, 2-Vietnam) - Vietnam Service Medal (5)
Fifth Row - United Nations Service Medal - Republic of Vietnam Campaign Medal - Republic of Korea War Service Medal (retroactive)

USS Cocopa (ATF-101) was transferred to Mexico and renamed ARM Seri (RE-03)
Abnaki Class Fleet Ocean Tug:
  • Laid down, 23 May 1943, at Charleston Shipbuilding and Dry Dock Co., Charleston, S.C.
  • Launched, 5 October 1943
  • Commissioned, USS Cocopa (AT-101), 25 March 1944, LT. Justin C. Hutcheson, USNR, in command
  • Reclassified Fleet Ocean Tug (ATF-101), 15 May 1944
  • During World War II USS Cocopa was assigned to the Asiatic-Pacific Theater
  • Following World War II USS Cocopa was assigned to Occupation and China service in the Far East for the following periods:

    Navy Occupation Service Medal

    China Service Medal (extended)
    16 November to 1945 to 19 October 194616 November 1945 to 19 October 1946
    29 October 1947 to 22 March 1948 
    10 January 1949 to 3 February 1950 

  • Decommissioned, date unknown
  • During the Korean War USS Cocopa (ATF-101) participated in the following campaign:

    Korean War Campaign
    Campaign and Dates
    Korea, Summer-Fall 1953
    16 May to 11 June 1953
    19 to 20 June 1953
    26 June to 27 July 1953

  • During the Vietnam War USS Cocopa (ATF-101) participated in the following campaigns:

    Vietnam War Campaign
    Campaigns and Dates Campaigns and Dates
    Vietnam Advisory
    22 to 26 December 1963
    Vietnam Summer-Fall 1969
    16 to 18 July 1969
    6 to 7 August 1969
    Vietnam Defense
    24 August to 4 September 1965
    30 September to 28 October 1965
    Vietnam Ceasefire
    3 July 1972
    12 to 25 July 1972
    18 to 24 August 1972
    15 September to 8 October 1972
    Vietnam Counteroffensive - Phase II
    29 December 1966 to 30 January 1967
    13 February to 15 March 1967
    23 to 25 March 1967

  • Decommissioned, 30 September 1978
  • Sold under the Security Assistance Program to Mexico, 30 September 1978
  • Commissioned into the Republic of Mexico Navy as ARM Seri (RE-03)
  • Struck from the Naval Register, 30 September 1978
  • USS Cocopa earned one battle star for Korean war service and five campaign stars for Vietnam War service
  • Current Disposition, active in Mexican Navy (2009)
    Displacement 1,205 t.(lt) 1,675 t.(fl)
    Length 205'
    Beam 38' 6"
    Draft 15' 5" (lim)
    Speed 16.5 kts.
    5 Officers
    80 Enlisted
    Largest Boom Capacity 10 t.
    one single 3"/50 dual purpose gun mount
    two twin 40mm AA gun mounts
    two single 20mm AA gun mounts
    As Built
    four Busch-Sulzer (mod 12-278) Diesel-electric engines
    Ship's Service Generators
    two Diesel-drive 100Kw 120V/240V D.C.
    one Diesel-drive 200Kw 120V/240 D.C.
    four Alco Diesel engines driving four General Electric generators and three General Motors 3-268A auxiliary services engines
    single propeller 3,000shp

    Click On Image
    For Full Size Image
    Size Image Description Contributed
    USS Cocopa (ATF-101)
    Hidatsa 1289k USS Cocopa (AT-101) (left) and USS Hidatsa (AT-102) (right) fitting out at Charleston Shipbuilding & Drydock Co, Charleston S.C., January 1944.
    US Navy Bureau of Ships photo now in the collections of the US National Archives.
    Alan Owens
    Cocopa 24k USS Cocopa (ATF-101) underway, circa 1952, location unknown. Submitted by Craig Rothammer
    to NAFTS
    National Association
    of Fleet Tug Sailors
    Cocopa 48k USS Cocopa (ATF-101) underway, date and location unknown. Submitted by Bill Doherty
    to NAFTS
    National Association
    of Fleet Tug Sailors
    Cocopa 84k USS Cocopa (ATF-101) departing Pearl Harbor, mid-1960. Richard Miller BMCS USNR Ret.
    Knox 119k The Fleet Tugs USS Cocopa (ATF-101) and USS Sioux (ATF-75), the Rescue and Salvage Ships USS Grapple (ARS-7) and USS Conserver (ARS-39) and the Submarine Rescue Ship USS Greenlet (ASR-10) attempting to pull the Destroyer USS Frank Knox (DD-742) off Pratas Reef in the South China Sea, some two hundred miles south east of Hong Kong. Frank Know ran aground 18 July 1965 and was finally refloated, 24 August 1965. This view was probably taken at about the time she was finally refloated on 24 August 1965.
    US Naval History and Heritage Command photo # NH 74179.
    Tony Cowart
    328k Overhead view of USS Cocopa (ATF-101) underway, circa 1969, location unknown.
    US Naval History and Heritage Command, Catalog No. L45-54.04.01
    Mike Green
    Cocopa 31k USS Cocopa (ATF-101) at anchor off Danang, Vietnam, 1972. Submitted by Steve Karoby
    to NAFTS
    National Association
    of Fleet Tug Sailors
    Cocopa 62k USS Cocopa (ATF-101) moored pierside, date and location unknown. Note The tug's engineers have managed to paint their battle efficiency "E" on their ship's tiny smokestack.
    US Naval History and Heritage Command. Photo # Unknown, courtesy
    Robert Hurst
    Cocopa 64k USS Cocopa (ATF-101) at sea, date and location unknown. Gerhard Mueller-Debus
    Cocopa 108k USS Cocopa (ATF-101) during an underway replenishment with USS Niagara Falls (AFS-3) (not shown), circa early 1978. Photo by M Kelley
    Abnaki 585k USS Cocopa (ATF-101) (left) and USS Abnaki (ATF-96) (right) during their decommissioning and transfer to Mexico, 30 September 1978 Joseph Colombara USS Abnaki
    ARM Seri (RE-03)
    Cocopa 118k Ex-USS Cocopa (ATF-101) in Mexican service as ARM Seri (RE-03) moored pierside at Progreso, Mexico, 14 January 2007. Photo by Gene Kennedy
    Cocopa 123k ARM Seri (RE-03) moored pierside at Progreso, Mexico, 14 January 2007. Photo by Gene Kennedy
    Cocopa 104k ARM Seri (RE-03) moored pierside at Progreso, Mexico, 14 January 2007 across from the cruise ship MS Norwegian Dream Photo by Gene Kennedy
    66k ARM Seri (RE-03) underway, date and location unknown.
    Mexican Navy photo, released 6 June 2022
    Dave Shirlaw
    149k ARM Seri (RE-03) underway, date and location unknown.
    Mexican Navy photo
    Dave Shirlaw

    USS Cocopa (AT-101 / ATF-101)
    Dictionary of American Naval Fighting Ships (DANFS)
    Commanding Officers
    01LT. Hutcheson, Justin Cooper USNR25 March 1944 - 17 November 1945
    02LT. Conser, Charles Samuel, USN17 November 1945 - 21 November 1947
    03LT. Northrop, Stewart DeLamater, USN21 November 1947 - 16 October 1949
    04LT. Shannon, Robert Carroll, USN16 October 1949 - 15 January 1952
    05LT. Peterson, Howard Wilson, USN15 January 1952 - 17 January 1953
    06LT. Wilson, Walter Orrin, USN17 January 1953 - 23 June 1955
    07LT. De Armond, Charles, USN23 June 1955 - 28 March 1958
    08LT. Kinnebrew, Thomas Richard, USN :VADM28 March 1958 - 16 August 1959
    09LT. Howe, Richard Bradford, USN16 August 1959 - 20 January 1963/td>
    10LT. Barlow, James Dale, USN20 January 1962 - 6 July 1963
    11LCDR. Nelson, Carl Alfred, USN (USNA 1956)6 July 1963 - 23 December 1964
    12LT. Steed, Stanley, USN23 December 1964 - 18 December 1966
    13LT. Horton, Leslie Eugene, USN18 December 1966 - 15 March 1969
    14LCDR. Crooks, Richard Alan, USN15 March 1969 - 20 October 1971
    15LT. Lee, Howard Frank, USN20 October 1971 - 28 February 1973
    16LCDR. Collins, Martin Kevin, USN (USNA 1967)28 February 1973 - 4 April 1975
    17LCDR. Olbert, Donald Ernest, USN4 February 1975 - 18 May 1977
    18LCDR. Quillinan, Gregory Francis, USN (USNA 1969)18 May 1977 - 11 March 1978
    19LT. Cooper, Philip Peter Melvin, USN (O-in-Ch)11 March 1978 - 16 March 1978
    20LT. Merrow, Richard Alan, USN16 March 1978 - 30 September 1978
    Courtesy Wolfgang Hechler and Ron Reeves

    Crew Contact And Reunion Information
    U.S. Navy Memorial Foundation - Navy Log

    Additional Resources and Web Sites of Interest
    National Association of Fleet Tug Sailors
    Back To The Navsource Photo Archives Main Page Back To The Service Ship Photo Index Back To The Fleet Tug (AT) Photo Index Back To The Fleet Ocean Tug (ATF) Photo Index
    Comments, Suggestions, E-mail Webmaster.
    This page is created and maintained by Gary P. Priolo
    All pages copyright NavSource Naval History
    Last Updated 24 June 2022