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NavSource Online:
Motor Gunboat/Patrol Gunboat Photo Archive


PC-1552 call sign:
Nan - Item - Uncle - Fox

PGM-21 served the Navies of the United States and Greece.

PGM-9 Class Motor Gunboat:

  • Laid down 11 April 1944 as PC-1552 by the Consolidated Shipbuilding Corp., New York, NY
  • Launched 25 May 1944
  • Reclassified as a Motor Gunboat, PGM-21, 16 August 1944
  • Commissioned USS PGM-21, 22 November 1944
  • Transferred to Greece in November 1947 and named HNS Antipliarchos Pezopoulos (P 70)
  • Fate unknown.


  • Displacement 280 t. (lt), 450 t. (fl)
  • Length 173' 8"
  • Beam 23
  • Draft 10' 10"
  • Speed 20.2 kts.
  • Complement 65
  • Armament: One 3"/50 dual purpose mount, one twin 40mm gun mount, six 20mm guns, one twin .50 cal. machine gun and one 60mm mortar
  • Propulsion: Two 1,440bhp General Motors 16-278A diesel engines, Farrel-Birmingham single reduction gear, two shafts.
    Click on thumbnail
    for full size image
    Size Image Description Source
    USS PGM-21
    PGM-21 121k 23 August 1944
    Sonar hoist
    Bob Daly/PC-1181
    Antipliarchos Pezopoulos (P 70)
    PGM-21 42k . Robert Hurst
    PGM-21 92k c. 1964
    Photo from the 1967/1968 edition of Jane's Fighting Ships
    Mike Green
    PGM-21 107k c. 1970
    Royal Hellenic Navy photo
    Robert Hurst

    There is no DANFS history available for PGM-21
    Additional Resources and Web Sites of Interest
    Patrol Craft Sailors Association
    Back To The Main Photo Index Back To the Patrol Craft/Gunboat/Submarine Chaser Ship Index Back to the Submarine Chaser (PC) Photo Index Back to the Motor Gunboat / Patrol Gunboat (PGM) Photo Index

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    This page created and maintained by Joseph M. Radigan
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