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8"/55 caliber gun
Photo: U.S. Navy · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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8"/55calibergun

Naval Guns · United States · 1925
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8"/55calibergun

8"/55 caliber gun
8"/55 caliber gun Photo: U.S. Navy · 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) 48
* Absolute score — assessed within category · no era adjustment
Rate of Fire
40
Range
50
Lethality
65
Accuracy
55
Ammunition Versatility
45
Multi-Role Capability
20
Reliability
80
Automation
10
Technology
30
Cost-Effectiveness
70
Methodology ↗ → Naval Guns ranking
Origin United States
CategoryNaval Guns
EraInterwar Period
In service1925–1975
Operators1 countries
⬇ Overview
⚙ Specs
⊕ History
⊕ Conflicts
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality88%
MASS(Military Archive Scoring System)
⊟ Naval Gunsranking ↗methodology ↗
48
Naval Guns MASS Rating
25/40
Interwar Period
88/280
All-Time
Naval Guns · 10 axes scored
Rate of Fire
40
Range
50
Lethality
65
Accuracy
55
Ammunition Versatility
45
Multi-Role Capability
20
Reliability
80
Automation
10
Technology
30
Cost-Effectiveness
70
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
8"/55 caliber gun
Category
Naval Guns
Country
United States
Production
1925–1975
Operators
1 countries
Conflicts
2 conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · INTERWAR PERIOD
25
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
MASS SCORE ↗
48
naval guns category
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Weapon TypeNaval gun
  • Service Entry Year1925
  • Weight27,216 kg
  • Length11 m
  • Diameter203 mm
  • In ServiceYes
◈Guidance & Homing5MOD.5
▣Performance4MOD.4
  • Propulsion Typegunpowder
  • Range28.5 km
  • Maximum Range (gun)27.5 km
  • Rate of Fire (gun)4
◇Warhead3MOD.3
◆Platform5MOD.5
▤Warhead Detail2MOD.2
  • Detonation Mechanism / Fuzeimpact
  • Explosive Filler Typesmokeless powder
03 / History
SERVICE LIFESPANRetired
  1. 1925Production started
  2. 1939First deployment: World War II
  3. 1975Production ended
101
years in service
50
years in production
0
countries operating
ⓘ 1 countries retired it.
04 / Conflicts
8"/55 CALIBER GUN · CONFLICTS SERVED IN50% win
Total Conflicts
2
Victories
1
Ongoing
0
Losses
0
1955–1975Vietnam WarDecisive victory→1950–1953Korean War—→
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
Operator Countries1country
United StatesRETIRED
📖 TERMS ON THIS PAGE2terms
Ship / Surface
Surface ship from which a torpedo is launched, typically a destroyer, cruiser, or dedicated torpedo boat.
Ship-Launched
Ship-launched: a torpedo designed to be deployed from surface warships using onboard launch tubes or deck-mounted launchers.
These terms are listed automatically because they appear on this page.full encyclopedia →
Naval Guns Interwar Period United States
📚 Sources
📖 ENCYCLOPEDIA Browse the Naval Guns entry →