41:
479:
882:
940:
134:
975:
400:
366:
sailors from
January to August. After domestic operations in 1963, she deployed annually to WestPac from 1964 to 1970. She returned from her last WestPac early in 1971. Until 1971 she remained active with the
1070:
1065:
1026:
456:
1060:
410:
1050:
449:
1045:
442:
343:, for regular overhaul in February 1958 and completion of type training that year, she engaged in research at the Navy Acoustic Range,
348:
304:; reclassified MSO–491 on 7 February 1955; launched 23 April 1955; sponsored by Mrs. M.S. Erdahl; and commissioned 3 February 1956.
297:
65:
465:
272:
190:
892:
328:
91 the same day. In
September 1956, she was modified for advanced sound reduction to protect against acoustic mines.
115:
317:
667:
362:
in July. After type training in 1961, she deployed to WestPac in
January 1962, assisting in the training of
887:
814:
793:
765:
737:
723:
611:
555:
340:
925:
918:
904:
842:
716:
674:
660:
646:
618:
604:
548:
534:
527:
520:
988:
911:
828:
821:
779:
751:
695:
688:
681:
639:
597:
576:
569:
541:
513:
1055:
995:
953:
856:
807:
800:
786:
758:
744:
709:
702:
562:
499:
430:
NavSource Online: Mine
Warfare Vessel Photo Archive - Persistent (MSO-491) - ex-Persistent (AM 491)
1009:
849:
835:
772:
653:
632:
590:
484:
368:
301:
960:
625:
506:
945:
424:
492:
336:
166:
20:
1039:
406:
363:
325:
980:
347:, September 1959. Later that year she measured ocean currents under assignment to
429:
434:
344:
278:
583:
359:
286:
383:
282:
321:
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that had been placed in the water to prevent the safe passage of ships.
355:
332:
386:
on 1 August 1974. In 1974, she was sold to Spain, which named her
296:
by the Navy, the vessel was laid down 17 June 1954 as AM-491 by
871:
438:
1027:
List of mine warfare vessels of the United States Navy
382:
was decommissioned on 1 July 1971 and struck from the
971:
936:
878:
475:
1071:Aggressive-class minesweepers of the Spanish Navy
1066:Vietnam War minesweepers of the United States
450:
8:
411:Dictionary of American Naval Fighting Ships
1061:Cold War minesweepers of the United States
868:
457:
443:
435:
405:This article incorporates text from the
19:For other ships with the same name, see
335:as part of Mine Countermeasures Group,
256:2 × .50 cal (12.7 mm) twin machine guns
25:
130:
37:
16:Minesweeper of the United States Navy
7:
235:15 knots (28 km/h; 17 mph)
312:Following Pacific coast shakedown,
320:, 2 March 1956 and was designated
14:
1051:Ships built in Tacoma, Washington
349:Scripps Institute of Oceanography
973:
938:
880:
477:
398:
331:In August 1957, she deployed to
298:J.M. Martinac Shipbuilding Corp.
132:
66:J.M. Martinac Shipbuilding Corp.
39:
1:
1046:Aggressive-class minesweepers
354:After another deployment to
292:The second ship to be named
126:Sold to Spain, 1 August 1974
1087:
18:
1024:
867:
358:in 1960, she returned to
285:for the task of removing
181:
32:
28:
318:Commander, Pacific Fleet
227:10 ft (3.0 m)
211:172 ft (52 m)
182:General characteristics
888:Republic of China Navy
341:Long Beach, California
219:36 ft (11 m)
316:reported for duty to
308:West Coast operations
203:775 tons (full load)
469:-class minesweepers
485:United States Navy
369:U.S. Pacific Fleet
339:. After return to
302:Tacoma, Washington
253:1 × twin 20 mm gun
194:-class minesweeper
1033:
1032:
1020:
1019:
898:
262:
261:
1078:
979:
977:
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891:
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884:
883:
869:
483:
481:
480:
459:
452:
445:
436:
402:
401:
364:South Vietnamese
281:acquired by the
269:(AM-491/MSO-491)
140:
137:
136:
135:
118:: AM-491/MSO-491
47:
44:
43:
42:
26:
1086:
1085:
1081:
1080:
1079:
1077:
1076:
1075:
1036:
1035:
1034:
1029:
1016:
974:
972:
967:
955:Davao del Norte
946:Philippine Navy
939:
937:
932:
890:
881:
879:
874:
873:Other operators
863:
478:
476:
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421:
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375:Decommissioning
310:
138:
133:
131:
91:3 February 1956
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17:
12:
11:
5:
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985:
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865:
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826:
819:
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763:
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749:
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728:
721:
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707:
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581:
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504:
497:
489:
487:
473:
472:
464:
462:
461:
454:
447:
439:
433:
432:
427:
425:USS Persistent
420:
419:External links
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395:
392:
376:
373:
337:U.S. 7th Fleet
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197:
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188:
187:Class and type
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167:Pennant number
164:
163:Identification
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146:
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128:
127:
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119:
113:
112:Identification
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100:
97:
96:Decommissioned
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81:
77:
76:
73:
69:
68:
63:
59:
58:
53:
49:
48:
35:
34:
30:
29:
21:USS Persistent
15:
13:
10:
9:
6:
4:
3:
2:
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987:
986:
984:
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970:
964:
963:
962:Davao del Sur
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935:
929:
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922:
921:
917:
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897:
895:
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848:
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582:
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568:
566:
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561:
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558:
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552:
551:
547:
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531:
530:
526:
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523:
519:
517:
516:
512:
510:
509:
505:
503:
502:
498:
496:
495:
491:
490:
488:
486:
474:
470:
468:
460:
455:
453:
448:
446:
441:
440:
437:
431:
428:
426:
423:
422:
418:
416:
415:
412:
409:
408:
407:public domain
393:
391:
389:
385:
381:
374:
372:
370:
365:
361:
357:
352:
350:
346:
342:
338:
334:
329:
327:
326:Mine Division
323:
319:
315:
307:
305:
303:
299:
295:
290:
288:
284:
280:
277:
275:
270:
268:
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180:
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168:
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161:
158:1 August 1974
157:
154:
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147:
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129:
125:
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121:
117:
114:
111:
110:
107:1 August 1974
106:
103:
102:
98:
95:
94:
90:
87:
86:
83:23 April 1955
82:
79:
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74:
71:
70:
67:
64:
61:
60:
57:
54:
51:
50:
46:United States
36:
31:
27:
22:
1010:
1004:Guadalquivir
1003:
1002:
997:Guadalmedina
996:
989:
981:Spanish Navy
961:
954:
926:
919:
912:
905:
893:
857:
850:
843:
836:
829:
822:
815:
808:
801:
794:
787:
780:
773:
766:
759:
752:
745:
738:
731:
730:
724:
717:
710:
703:
696:
689:
682:
675:
668:
661:
654:
647:
640:
633:
626:
619:
612:
605:
598:
591:
584:
577:
570:
563:
556:
549:
542:
535:
528:
521:
514:
507:
500:
493:
466:
413:
404:
397:
388:Guadalquivir
387:
379:
378:
353:
330:
313:
311:
293:
291:
273:
266:
264:
263:
200:Displacement
191:
149:Guadalquivir
148:
88:Commissioned
75:17 June 1954
55:
345:Puget Sound
287:naval mines
279:minesweeper
116:Hull number
99:1 July 1971
1056:1955 ships
1040:Categories
732:Persistent
669:Impervious
494:Aggressive
467:Aggressive
394:References
380:Persistent
360:California
314:Persistent
294:Persistent
274:Aggressive
267:Persistent
240:Complement
192:Aggressive
56:Persistent
990:Guadalete
927:Yung Yang
894:Yung Yang
557:Endurance
384:Navy list
283:U.S. Navy
72:Laid down
1011:Guadiana
920:Yung Tzu
913:Yung Teh
816:Stalwart
795:Sagacity
767:Prestige
739:Pinnacle
725:Observer
676:Implicit
662:Illusive
620:Fidelity
613:Fearless
606:Exultant
550:Embattle
536:Constant
529:Conquest
522:Conflict
322:flagship
248:Armament
155:Acquired
104:Stricken
80:Launched
906:Yung Ku
844:Venture
718:Notable
697:Loyalty
683:Inflict
648:Gallant
641:Fortify
599:Exploit
578:Enhance
543:Dynamic
515:Bulwark
390:(M43).
356:WestPac
333:WestPac
271:was an
177:unknown
62:Builder
33:History
978:
943:
885:
830:Swerve
823:Sturdy
802:Salute
781:Reaper
753:Pledge
711:Nimble
690:Leader
585:Esteem
571:Engage
564:Energy
501:Avenge
482:
403:
276:-class
208:Length
896:class
858:Vital
851:Vigor
837:Valor
809:Skill
788:Rival
774:Prime
760:Pluck
746:Pivot
704:Lucid
655:Guide
634:Force
592:Excel
232:Speed
224:Draft
169:: M43
139:Spain
627:Firm
508:Bold
324:for
265:USS
216:Beam
174:Fate
145:Name
123:Fate
52:Name
1042::
371:.
351:.
300:,
243:74
458:e
451:t
444:v
414:.
23:.
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