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Mark 46
Photo: PH1 J. Slaughenhaupt, USN · Wikimedia Commons · Public domain
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Mark46

Torpedoes · United States · 1963
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Mark46

Mark 46
Mark 46 Photo: PH1 J. Slaughenhaupt, USN · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Lethality
62
Range
48
Speed
57
Guidance / Homing
66
Counter-Measure Resistance
51
Depth Capability
71
Acoustic Stealth
55
Reliability
80
Technology
61
Cost-Effectiveness
75
Origin United States
ManufacturerHoneywell, Raytheon, Aerojet, Naval Ordnance Station Forest Park
CategoryTorpedoes
EraCold War
In service1963
Operators36 countries
Data Quality88%
MASS(Military Archive Scoring System)
62
Torpedoes MASS Rating
16/19
Cold War
50/116
All-Time
Torpedoes · 10 axes scored
Lethality
62
Range
48
Speed
57
Guidance / Homing
66
Counter-Measure Resistance
51
Depth Capability
71
Acoustic Stealth
55
Reliability
80
Technology
61
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the torpedoes category.
01 / Overview
Mark 46
Category
Production
1963–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TORPEDOES · COLD WAR
16
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
62
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 Typelightweight torpedo
  • Service Entry Year1963
  • Weight230 kg
  • Length2.59 m
  • Diameter324 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance4MOD.4
  • Propulsion Typetwo-speed reciprocating external combustion
  • Top Speed40 kn
  • Range10.97 km
  • Operating Depth366 m
◇Warhead4MOD.4
  • Warhead Typebulk charge
  • Warhead Weight43.9 kg
  • Explosive Filler43.9 kg
  • Nuclear-CapableNo
◆Platform5MOD.5
▤Production1MOD.1
  • Operators30
⬢Warhead Detail2MOD.2
  • Explosive Filler Weight43.9 kg
  • Explosive Filler TypePBXN-103 high explosive (bulk charge)
03 / History
SERVICE LIFESPANStill in Service
  1. 1945First deployment: Cold War
  2. 1963Production started
63
years in service
36
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
📖 TERMS ON THIS PAGE7terms
A torpedo guidance method using sound waves emitted by a target to determine its location and trajectory.
Capability of launching an anti-tank guided missile from an airborne platform, such as a helicopter or aircraft.
A guided bomb is a munition that uses a guidance system to modify its flight path in real-time to ensure accuracy.
Ship-launched: a torpedo designed to be deployed from surface warships using onboard launch tubes or deck-mounted launchers.
A watercraft capable of independent operation underwater, primarily used for naval warfare, research, or exploration.
Designation for intercontinental ballistic missiles (ICBMs) deployed and launched from submerged submarines.
Missile guidance system where commands are transmitted via a physical wire link between the launch point and the missile during flight.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Torpedoes entry →