Pacific ships
AMc-9

USN · AMc

Afloat

Coastal minesweeper, AMc-9, converted from the fishing boat North Star. Placed in service at San Diego on 21 March 1941, Lieutenant (junior grade) Robert W. Costello, USNR, officer in charge. Before dawn on 7 December she swept with Condor off the Pearl Harbor entrance. At 0753 her crew saw the attack on Hickam and fired 236 rounds, with no hits recorded. She was not damaged. She swept Hawaiian waters until 1946.

TypeCoastal minesweeper (AMc)
HullAMc-9
BuilderWatchorn Yacht and Boat Works, San Pedro
FateAfloat. Coastal minesweeper, the former fishing boat North Star. Placed in service on 21 March 1941. Before dawn on 7 December 1941 she swept with Condor, then fired 236 rounds after 0753 and recorded no hits. She was not damaged. Placed out of service on 15 January 1946, struck on 7 February 1946, and transferred to the Maritime Commission on 25 March 1947.
Command
  • Costello, Robert W. Lieutenant (junior grade), officer in charge, 21 March 1941 – 16 October 1942; The next name in the DANFS officer roster begins on 16 October 1942, and that date is used as the relief; Officer in charge of record on 7 December 1941; The morning account names the crew and does not say whether he was on deck
  • Sturgeon, Chester M. Lieutenant (junior grade), 16 October 1942 – 3 September 1943; The next name in the DANFS officer roster begins on 3 September 1943, and that date is used as the relief
  • Foley, Edward J. Jr. Lieutenant (junior grade), 3 September 1943 – 20 May 1944; The next name in the DANFS officer roster begins on 20 May 1944, and that date is used as the relief; A reserve officer. James Louis Foley of Bobolink is a different man
  • Reilly, William T. Ensign, 20 May 1944 – 28 July 1944; The next name in the DANFS officer roster begins on 28 July 1944, and that date is used as the relief
  • Johnson, Robert C. Lieutenant (junior grade), from 28 July 1944; The DANFS officer roster names no relief; She was placed out of service on 15 January 1946

Laid down, displacement, length, beam, draft, speed, and complement are not stored for each hull, so this table leaves them out.

The pictures on this page are the originals.

Command

Attack on Pearl Harbor

1941-12-07 · sweeping before dawn with Condor; fired 236 rounds after 0753; no hits recorded; not hit

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