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JB-4
Photo: Unknown author · Wikimedia Commons · Public domain
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JB-4

Air-to-Ground Missiles (AGM) · United States · 1945
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JB-4

JB-4
JB-4 Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Range
20
Lethality
30
Accuracy
40
Guidance Versatility
25
Stand-Off Capability
35
Penetration
20
Counter-Measure Resistance
10
Reliability
15
Technology
50
Cost-Effectiveness
20
Origin United States
CategoryAir-to-Ground Missiles (AGM)
EraWorld War II
In service1945–1945
Operators1 countries
Data Quality84%
27
Air-to-Ground Missiles (AGM) MASS Rating
2/5
World War II
45/59
All-Time
Air-to-Ground Missiles (AGM) · 10 axes scored
Range
20
Lethality
30
Accuracy
40
Guidance Versatility
25
Stand-Off Capability
35
Penetration
20
Counter-Measure Resistance
10
Reliability
15
Technology
50
Cost-Effectiveness
20
ⓘ Regardless of era, the same scoring system applies to all units in the air-to-ground missiles (agm) category.
01 / Overview
JB-4
Production
1945–1945
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AIR-TO-GROUND MISSILES (AGM) · WORLD WAR II
2
PERFORMANCE/PRICE
15
UNIT COST (2025 USD)
—
27
air-to-ground missiles (agm) category
ⓘ Performance/Price and MASS score are computed across all units in the air-to-ground missiles (agm) category, regardless of era.
02 / Specs & Design
◎General5MOD.5
  • Missile Typeair-to-surface missile
  • Service Entry Year1945
  • DesignerUnited States Army Air Forces
  • Launch Weight1,361 kg
  • In ServiceNo
◈Guidance4MOD.4
▣Propulsion2MOD.2
  • Propulsion Typepulsejet
  • Motor TypeFord PJ31
◇Performance3MOD.3
  • Maximum Range121 km
  • Top Speed199 m/s
  • Top Speed (Mach)0.58 Mach
◆Warhead2MOD.2
  • Warhead TypeHigh explosive
  • Warhead Weight340 kg
▤Launch Platform2MOD.2
⬢Production1MOD.1
  • Operators1
▲Warhead Detail2MOD.2
  • Explosive Filler Weight907.2 kg
  • Explosive Filler TypeHigh explosive
03 / History
SERVICE LIFESPANRetired
  1. 1945Production started
81
years in service
0
years in production
0
countries operating
ⓘ 1 countries retired it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE4terms
Capability of launching an anti-tank guided missile from an airborne platform, such as a helicopter or aircraft.
Launched from a ground-based platform, such as a vehicle or tripod, rather than an aircraft or other airborne system.
Guidance system using television or electro-optical sensors to track targets via visual or infrared imagery for missile navigation.
Enables real-time sharing of position, targeting, and sensor data among aircraft and platforms for coordinated combat operations.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Air-to-Ground Missiles (AGM) entry →