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Bunker Buster JDAM Bomb

Bunker Buster JDAM Bomb

Manufacturer: Boeing
Category: Bombs & Aerial Munitions
  • Warhead Type Hardened penetrator high explosive
  • Delivery Platforms B-1B, B-2, B-52, F-15E, F-16, F-35
  • Guidance GPS aided inertial navigation
  • Operational Role Destruction of hardened underground targets

Full Specifications

1. General Information

Name / Designation JDAM Bunker Buster (BLU-109/BLU-122 JDAM)
Type Precision-Guided Bomb
Manufacturer Boeing (JDAM kit), General Dynamics (bomb body)
Country of Origin United States
Year Introduced 1999
Operational Status Active

2. Physical Characteristics

Weight Approx. 2,000 lb (907 kg)
Length Approx. 3.9 m
Diameter 0.37 m
Casing Type Hardened steel penetrator casing

3. Performance

Yield Conventional high explosive
Guidance GPS / INS guidance
Accuracy (CEP) About 5 meters
Delivery Platforms Strategic bombers and fighter aircraft
Penetration Capability Up to 1.8–2.4 meters of reinforced concrete

4. Warhead / Explosive Details

Warhead Type High explosive penetrator
Fuzing Options Delay, impact, programmable
Explosive Composition Tritonal or PBXN-109

5. Operational Use

Primary Mission Destruction of bunkers and hardened structures
Operators United States and allied air forces
Notable Deployments / History Used in Iraq, Afghanistan, and Middle East strike operations

6. Variants

Variants GBU-31(V)3/B (BLU-109), GBU-31(V)4/B (BLU-122), GBU-31 JDAM series

Our Rating

The overall rating is based on review by our experts

8
  • Technology 8 / 10
  • Stealth Capability 8 / 10
  • Performance 8 / 10
  • Payload Capacity 8 / 10

PROS

  1. High precision with GPS and inertial guidance
  2. Effective against hardened and underground targets
  3. Works in all weather conditions
  4. Compatible with many U.S. aircraft platforms
  5. Relatively low cost compared with cruise missiles

CONS

  1. Requires aircraft to approach target area
  2. Limited range compared with stand-off weapons
  3. Vulnerable to strong GPS jamming environments
  4. Not suitable for mobile targets without updates
  5. Penetration depth limited by bomb type

Bunker Buster JDAM: Precision Deep Penetration Bomb

The Bunker Buster JDAM (Joint Direct Attack Munition) is a precision-guided bomb designed to destroy hardened and deeply buried targets such as underground bunkers, command centers, and fortified facilities. By combining a hardened penetrator bomb body with the JDAM guidance kit, the weapon provides all-weather, high-accuracy strike capability for modern air forces.

The system converts conventional unguided bombs into smart munitions by adding a GPS and inertial navigation system guidance package. This allows aircraft to strike targets with a high level of accuracy even in poor weather or low visibility conditions. Bunker buster JDAM variants are typically based on heavy penetrator bombs such as the BLU-109 or BLU-122 warheads, which are specifically designed to penetrate reinforced concrete before detonation.

These weapons are commonly carried by strategic bombers and tactical fighter aircraft including the B-1B, B-2 Spirit, B-52H, F-15E, F-16, and F-35. Their ability to strike hardened targets with precision makes them a key component of modern U.S. airpower.

Manufacturer

The JDAM guidance kit is manufactured by Boeing in the United States. The penetrator bomb bodies used with bunker buster JDAM variants are produced by various U.S. defense contractors, including General Dynamics Ordnance and Tactical Systems.

Development of the JDAM system began in the 1990s to provide the U.S. military with a low-cost precision strike capability. Since entering service in 1999, JDAM has become one of the most widely used precision munitions in the U.S. arsenal.

Speed and Range

The bunker buster JDAM is not a powered weapon. Instead, it is released from an aircraft and glides toward its target using aerodynamic control surfaces.

Depending on release altitude and aircraft speed, the weapon typically has a range of about 15 to 28 kilometers (9 to 17 miles). Accuracy is extremely high, with a circular error probable of roughly 5 meters when GPS guidance is available.

Cost/Price

JDAM guidance kits are relatively inexpensive compared with other precision weapons. A typical kit costs approximately $25,000 to $35,000 depending on configuration and production batch. When combined with a penetrator bomb body such as the BLU-109, the total cost of a bunker buster JDAM weapon system is usually estimated between $40,000 and $70,000 per unit.

FAQs

What is a bunker buster JDAM bomb used for?

It is designed to destroy hardened underground structures such as bunkers, command centers, and fortified facilities.

How accurate is the JDAM bunker buster?

With GPS guidance, accuracy is typically about 5 meters CEP.

Which aircraft can carry bunker buster JDAMs?

Aircraft such as the B-1B, B-2, B-52, F-15E, F-16, and F-35 can deploy them.

How deep can a JDAM bunker buster penetrate?

Depending on the variant, it can penetrate roughly 2 meters of reinforced concrete before detonating.

Is the JDAM bunker buster expensive?

Compared with cruise missiles, it is relatively inexpensive, usually costing tens of thousands of dollars per unit.

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