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UNITED STATES / COLD WAR / INDIVIDUAL SHIP

USS Conquest

Conquest is one ship in the 93-ship Agile-design ocean-minesweeper lineage. U.S. AM/MSO changes, national pennants, conversions, and foreign transfers are retained as temporal identities on this same hull.

The U.S. Navy minesweeper USS Conquest (MSO-488) underway.
The U.S. Navy minesweeper USS Conquest (MSO-488) underway.U.S. Navy photo [1] from Navsource.org · Public domainImage source
Hull / pennantMSO-1307, MSO-488
ClassAgile class
NavyUnited States Navy
CountryUnited States
Builder / shipyardJ. M. Martinac Shipbuilding Corp.
Completed1955-07-20
Recorded statusTransferred

What is known about this ship

Conquest is one ship in the 93-ship Agile-design ocean-minesweeper lineage. U.S. AM/MSO changes, national pennants, conversions, and foreign transfers are retained as temporal identities on this same hull.

Service history

Transferred to Taiwan in 1995 as Yung Tzu (MSO-1307); decommissioned 2020.

Class context: Agile class

The archive uses Agile class as the umbrella for 93 completed ships of the 172-foot low-magnetic ocean-minesweeper design: 58 built for the U.S. Navy and 35 built directly for NATO/MDAP partner navies. MSO-497 was not built.

Later service and disposition

Transferred to Taiwan in 1995 as Yung Tzu (MSO-1307); decommissioned 2020.

This ship is recorded as a member of Agile class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.

Sources and further reading

  1. Minesweepers MSO MSC MSI MHC MCM Post-War — ShipbuildingHistory ↗ShipbuildingHistory.com · accessed 2026-09-19
  2. NavSource Mine Sweeper Photo Archive — AM / MSF / MSO / BAM Index ↗NavSource Naval History · accessed 2026-09-19
  3. Agile-class minesweeper — consolidated class and transfer reference ↗Wikipedia · accessed 2026-09-19
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