Overview
USS Prowess is documented as AM-280, HQ-13, and MSF-280, a member of Admirable class, and in United States Navy service.
The documented national and naval associations are United States and United States Navy.
Identity and construction
The documented identity includes AM-280, HQ-13, and MSF-280 and Ha Hoi.
The available construction history records the ship as built by Gulf Shipbuilding Corp. — Madisonville LA and completed 1944.
Class and service context
USS Prowess is linked to Admirable class. The class page provides shared design history; this page preserves facts that apply to this ship.
The class is associated with the recorded roles of Minesweeping, Convoy escort, Anti-submarine patrol, and Postwar allied service. Those roles provide context but do not establish that every ship performed every mission.
Later service and disposition
Transferred to Republic of Vietnam Navy service in 1970 as Ha Hoi (HQ-13).
The associated date is 1970.
Evidence and limits
Available sources confirm the identity, class relationship, and service details shown above for USS Prowess.
Operational episodes, refits, and crew history are included only when they are supported by evidence tied to this ship.
Class relationship
This ship is recorded as a member of Admirable class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.
Sources and further reading
- Ocean Minesweepers (AM) Built or Acquired through WWII ↗ShipbuildingHistory.com · accessed 2026-09-19
- Admirable (MSF-136) — NavSource Mine Warfare Vessel Photo Archive ↗NavSource Naval History · accessed 2026-09-19
- Historic Fleets — Admirable-class minesweepers ↗U.S. Naval Institute · accessed 2026-09-19