Data Quality86%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the mine countermeasures vessels (mcm) category.
01 / Overview
Aggressive-class minesweeper
Country
Production
1952–
Quantity
53
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MINE COUNTERMEASURES VESSELS (MCM) · EARLY COLD WAR
3
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the mine countermeasures vessels (mcm) category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull ClassificationMSO
- Ship Typeminesweeper
- Commissioned1953
- Ships in Class53
- Rolemine countermeasures
- In ServiceYes
◈Displacement & Dimensions4MOD.4
- Full Load Displacement853 t
- Length52.43 m
- Beam10.67 m
- Draft3.05 m
▣Capacity3MOD.3
- Well DeckNo
- Landing Craft Carried0
- Ro-Ro CapabilityNo
◇Propulsion4MOD.4
- Propulsion Typediesel
- Shaft Power1,790 kW
- Top Speed14 kn
- Complement (crew)77
◆Aviation4MOD.4
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing / VSTOL0
▤Self-Defense3MOD.3
- Main Gun20 mm twin Oerlikon
- Electronic WarfareNo
- Decoy LaunchersNo
⬢Fleet Status5MOD.5
- Completed53
- Active0
- Under Construction0
- Retired53
- Preserved2
▲Armour1MOD.1
- Armournon-magnetic wood hull
03 / History
SERVICE LIFESPANStill in Service
- 1952Production started
- 1994Sale: Taiwan (4 units)
74
years in service
53
units produced
3
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries3country
Aggressive-class minesweeperSALES1records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| 1994 |  Taiwan | 4 | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
MINE COUNTERMEASURES VESSELS (MCM) RANKING Mine Countermeasures Vessels (MCM) · Early Cold War
MASS RANKINGSMASS ↗
61MINE COUNTERMEASURES VESSELS (MCM)3EARLY COLD WAR · MINE COUNTERMEASURES VESSELS (MCM)1580UNITED STATES · ALL WEAPONS28PERFORMANCE/PRICE · MINE COUNTERMEASURES VESSELS (MCM)
ⓘ Rankings are within theMine Countermeasures Vessels (MCM)category.
📚 Sources