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Agile / Aggressive Class Ocean Minesweepers (MSO)
Model featured: MSO-448 USS Illusive

- circa Korean War -

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Any Agile or Aggressive Class - custom model
* replicated as to your ship and circa *

Scale 1:120 / 18"
Price: $1599

1/3 deposit $533

Scale 1:84 / 25"
Price: $1899

1/3 deposit $633

Scale 1:60 / 35"
Price: $2199

1/3 deposit $733

We'll contact you for the details after you order.

Prices include free world-wide shipping

Fully assembled museum quality wooden desk-top display models custom built as to your designated circa including flagging and personalized brass plate.

As a result of the Korean war experience, the United States undertook large scale construction of a new series of minesweepers. During the 1950s sixty-five new minesweepers were built Designated MSO (Minesweeper, Ocean), they consisted of three major classes of ships:
1) Agile/Aggressive, Hull numbers 421 to 507;
2) Acme, hull numbers 508 to 518; and
3) Ability, hull numbers 519 to 522.

In contrast to the steel-hulled minesweepers of WWII, (designated AM, later MSF) the new minesweepers were built mostly of wood with bronze and stainless steel fittings to minimize their magnetic signature.

All of the 1950 era MSOs had UQS-1 mine-locating sonar which was later updated with SQQ-14 sonar. MSOs were capable of sweeping for moored, bottom contact, magnetic and acoustic mines.

In the early 1970s, MSOs were modernized by replacing UQS-1 sonar with SQQ-14 sonar. Additional space on the foc'sle was needed for installation of the SQQ-14 cabling so the 40mm Bofors bow gun was replaced with a mount for a 20mm MG. Two PAP-104 cable-guided undersea tools were added to the already vast array of mechanical equipment. Also, two 40hp Zodiacs were carried for the purpose of mooring the new sonar reflectors. Finally a team of Mine Clearance Divers was added.

All United States ships of this class have now been disposed of. Four ships are still in service with Taiwan and possibly one with Italy.

AM / MSO-448 "USS Illusive"

Launched in July 1952 and commissioned 14 November 1953 as AM-448, USS Illusive was one of the new class of wooden hulled minesweepers  designed by Philip L. Rhodes to counter the new magnetic and  acoustic influence mines. After doing shake-down cruises during 1954, she entered Long Beach shipyard for extensive modifications. Reclassified as MSO-448 in 1955 (Ocean Minesweeper), she continued to operate out of Long Beach until again entering the yard in November 1956 - this time to replace her engines with experimental Packards. She was engaged in engineering evaluation trials until May 1957 - after which the Packards were replaced with Waukasha diesels.

In August 1957 she sailed for her first deployment to the Far East and, with the 7th Fleet, took part in joint exercises with Japanese naval units and later the Chinese Nationalist Navy. The following year she took part in a large amphibious exercise off Camp Pendleton, USA.

In 1960 Illusive did a second deployment to the Western Pacific where she was involved in maneuvers off Japan, the Philippines and Okinawa. In 1961 the ship again returned to the Far East where she was particularly active in training South Vietnamese Navy personnel.

In 1963 she took part in 7th fleet training with Korean, Nationalist Chinese and Japanese minesweepers. 1964 was spent with more overhaul - which was followed by refresher training off California's southern coast.

In 1965 Illusive stood out of Subic Bay to join "Market Time Patrol" which attempted to stop the coastal flow of contraband by junks and boats to the Vietcong along the full length of Vietnam's 1,000 mile coastline.

In 1987-88 USS Illusive was deployed to the Persian Gulf in support of "Operation Earnest Will", which was designed to escort oil tankers that had been re-flagged as belonging to Kuwait. There she joined mine sweeping operations with MSO-437 USS Enhance, MSO-438 USS Esteem, MSO-442 USS Fearless, MSO-456 USS Inflict, MSO-488 USS Conquest and the Belgian minesweepers M906 Breydel and M909 Francois Bovesse. The crews performed extremely well in very demanding conditions and cleared hundreds of mines from the international waterway. Illusive was decommissioned in 1990 and sold for scrapping to Sea Witch Salvage  for $12,000 in 1993.

Agile / Aggressive Class specifications

Length 172 ft  0 in
Beam   35 ft  0 in
Draught   12 ft  0 in
Displaced 775 tons
Propulsion Four 800hp diesels driving two shafts
Speed 14 knots
Crew 78 officers and enlisted men

 

 
Agile / Aggressive Class Ocean Minesweepers
A total of 55 ships were built and 1 hull was cancelled
Hull / Ship Name

Commissioned

Modernized

Fate

MSO-421 Agile

06-21-56

Partially

Disposed 1979, scrapped

MSO-422 Aggressive

11-25-53

-

Sold 1980 to R. E. Williams, Torrance, CA

MSO-423 Avenge

05-13-54

-

Fire 1969, scrapped

MSO-424 Bold

09-25-53

-

Disposed 1981, scrapped

MSO-425 Bulwark

11-12-53

-

Disposed 1980, scrapped

MSO-426 Conflict

03-23-54

-

Disposed 1973, scrapped

MSO-427 Constant

09-08-54

Partially

Disposed 2001, scrapped

MSO-432 Dynamic

12-15-53

Partially

Sold 1974 to Spain as M41 Guadalete

MSO-433 Engage

06-29-54

Partially

Disposed 2002, scrapped

MSO-434 Embattle

11-16-54

-

Disposed 1976, scrapped

MSO-435 Endurance

05-19-54

Partially

Disposed 1973, scrapped

MSO-436 Energy

07-16-54

-

Sold 1972 to Philippines as PM91 Davao Del Norte

MSO-437 Enhance

04-16-55

Fully

Disposed 2000, scrapped

MSO-438 Esteem

09-10-55

Fully

Disposed 2000, scrapped

MSO-439 Excel

02-24-55

Partially

Disposed 2000, scrapped

MSO-440 Exploit

03-31-54

Partially

Disposed 2002, scrapped

MSO-441 Exultant

06-22-54

Fully

Disposed 2002, scrapped

MSO-442 Fearless

09-22-54

Fully

Disposed 1992, scrapped

MSO-443 Fidelity

01-19-55

Fully

Disposed 1990, scrapped

MSO-444 Firm

10-12-54

-

Sold 1972 to Philippines as PM92 Davao Del Sur

MSO-445 Force

01-04-55

Fully

Fire and sunk 1973

MSO-446 Fortify

07-16-54

Fully

Disposed 2002, scrapped

MSO-447 Guide

03-15-55

-

Disposed 1973, scrapped

MSO-448 Illusive

11-14-53

Fully

Disposed 1993, scrapped

MSO-449 Impervious

07-15-54

Fully

Disposed 2002, scrapped

MSO-455 Implicit

03-10-54

Partially

Sold 1994 to Taiwan as M1306 Yung Yang (ACTIVE)

MSO-456 Inflict

05-11-54

Fully

Disposed 1992, scrapped

MSO-457 Loyalty

06-11-54

-

Disposed 1973, scrapped

MSO-458 Lucid

05-04-55

Partially

Museum at Stockton, CA

MSO-459 Nimble

05-11-55

-

Disposed 1981, scrapped

MSO-460 Notable

06-8-55

Cancelled

Disposed 1971, scrapped

MSO-461 Observer

8-31-55

-

Disposed 1979, scrapped

MSO-462 Pinnacle

10-21-55

-

Disposed 1978, scrapped

MSO-463 Pivot

07-12-54

Partially

Sold 1974 to Spain as M42 Guadalmedina

MSO-464 Pluck

08-11-54

Partially

Disposed 1992, scrapped

MSO-465 Prestige

09-11-54

-

Grounded 1958, abandoned

MSO-466 Prime

10-11-54

-

Disposed 1976, scrapped

MSO-467 Reaper

11-10-54

-

Disposed 1976, scrapped

MSO-468 Rival

09-03-54

Cancelled

Disposed 1971, scrapped

MSO-469 Sagacity

01-20-55

-

Grounded 1970, stricken & scrapped

MSO-470 Salute

05-04-55

Cancelled

Disposed 1971, scrapped

MSO-471 Skill

11-07-55

-

Disposed 1979, scrapped

MSO-472 Valor

07-29-54

Cancelled

Disposed 1971, scrapped

MSO-473 Vigor

11-08-54

-

Sold 1972 to Spain as M44 Guadiana

MSO-474 Vital

06-09-55

-

Disposed 1979, scrapped

MSO-488 Conquest

07-20-55

Fully

Sold 1994 to Taiwan as M1307 Yung Tzu (ACTIVE)

MSO-489 Gallant

09-14-55

Partially

Sold 1994 to Taiwan as M1308 Yung Kue (ACTIVE)

MSO-490 Leader

11-16-55

Fully

Disposed 1994, scrapped

MSO-491 Persistent

02-03-56

Partially

Sold 1974 to Spain as M43 Guadalquivi

MSO-492 Pledge

04-20-56

Partially

Sold 1994 to Taiwan as M1309 Yung Teh (ACTIVE)

MSO-493 Stalwart

04-23-57

-

Fire 1966, scrapped

MSO-494 Sturdy

10-23-57

-

Disposed 1978, scrapped

MSO-495 Swerve

07-27-57

-

Disposed 1978, scrapped

MSO-496 Venture

02-03-58

Partially

Disposed 1978, scrapped

MSO-497 cancelled

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