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Mark 12 torpedo
Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Levingston Lewis · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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Mark12torpedo

Torpedoes · United States · 1928
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Mark12torpedo

Mark 12 torpedo
Mark 12 torpedo Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Levingston Lewis · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 51
* Absolute score — assessed within category · no era adjustment
Lethality
60
Range
50
Speed
55
Guidance / Homing
40
Counter-Measure Resistance
30
Depth Capability
65
Acoustic Stealth
45
Reliability
70
Technology
40
Cost-Effectiveness
60
Methodology ↗ → Torpedoes ranking
Origin United States
ManufacturerNaval Undersea Warfare Center
CategoryTorpedoes
EraInterwar Period
In service1928–1945
Operators1 countries
Quantity200
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality85%
MASS(Military Archive Scoring System)
⊟ Torpedoesranking ↗methodology ↗
51
Torpedoes MASS Rating
7/11
Interwar Period
71/116
All-Time
Torpedoes · 10 axes scored
Lethality
60
Range
50
Speed
55
Guidance / Homing
40
Counter-Measure Resistance
30
Depth Capability
65
Acoustic Stealth
45
Reliability
70
Technology
40
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the torpedoes category.
01 / Overview
Mark 12 torpedo
Category
Torpedoes
Country
United States
Prime contractor
Naval Undersea Warfare Center
Production
1928–1945
Quantity
200
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TORPEDOES · INTERWAR PERIOD
7
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
MASS SCORE ↗
51
torpedoes category
ⓘ Performance/Price and MASS score are computed across all units in the torpedoes category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Weapon Typetorpedo
  • Service Entry Year1928
  • Weight1,590 kg
  • Length6.88 m
  • Diameter533 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance3MOD.3
  • Propulsion Typeturbine
  • Top Speed44 kn
  • Range6.4 km
◇Warhead5MOD.5
  • Warhead Typecontact
  • Warhead Weight227 kg
  • Explosive Filler227 kg
  • Fuze Typecontact
  • Nuclear-CapableNo
◆Platform5MOD.5
▤Production2MOD.2
  • Total Production200
  • Operators1
⬢Warhead Detail3MOD.3
  • Detonation Mechanism / FuzeMk 3, Mod 1 contact exploder
  • Explosive Filler Weight227 kg
  • Explosive Filler TypeMk 11, TNT
03 / History
SERVICE LIFESPANRetired
  1. 1928Production started
  2. 1939First deployment: World War II
  3. 1945Production ended
98
years in service
17
years in production
200
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Operators
Operator Countries1country
United StatesRETIRED
📖 TERMS ON THIS PAGE3terms
Guided
A guided bomb is a munition that uses a guidance system to modify its flight path in real-time to ensure accuracy.
Ship-Launched
Ship-launched: a torpedo designed to be deployed from surface warships using onboard launch tubes or deck-mounted launchers.
Surface Ship
A large, seagoing vessel primarily designed to operate on the ocean's surface, capable of launching torpedoes.
These terms are listed automatically because they appear on this page.full encyclopedia →
Torpedoes Interwar Period United States Naval Undersea Warfare Center
📚 Sources
📖 ENCYCLOPEDIA Browse the Torpedoes entry →