GBU-31 Mk-84, BLU-109 JDAM

Also known as

GBU-31 JDAM
GBU-31 2,000-pound JDAM

The GBU-31 Mk-84, BLU-109 JDAM designation covers Boeing's 2,000-pound JDAM configuration for the Mk 84 and BLU-109 bomb bodies. U.S. Air Force background material identifies the GBU-31 family as a GPS/INS-guided bomb kit, and Boeing's F-15 weapons inventory lists the configuration in the aircraft's external carriage matrix.

GBU-31 Mk-84, BLU-109 JDAM, 2,000-pound GPS/INS-guided bomb, Munitions

Image source: GBU-31 JDAM SVG

Profile / Specs

Profile

Origin: United States
Built by: Boeing
Type: 2,000-pound GPS/INS-guided bomb
Service note: Late 1990s-present
Unit cost: About $22,000 per tail kit in fiscal 2007 dollars, excluding the bomb body.

precision fires strike deep strike gps-guided guided bomb

Specifications

Guidance: GPS-aided inertial navigation
Bomb bodies: Mk 84 and BLU-109 2,000-pound class bomb bodies
Launch platforms: Compatible with F-15 family aircraft and other U.S. combat aircraft
Accuracy: About 5 meters CEP or less in the most accurate GPS-aided mode
Range: Release from more than 15 miles from a target

Variants

Carrier Aircraft

Boeing's F-15 carriage matrix lists this JDAM configuration among the aircraft's external weapons.

Carrier

Carrier type

Carriage evidence

F-15 family fighter aircraft, Fighter aircraft family, Aircraft & UAVs

F-15 family fighter aircraft

Multirole fighter aircraft

Boeing's Advanced F-15 weapons inventory lists the GBU-31 Mk-84 and BLU-109 JDAM configuration in the aircraft's external carriage matrix.

Sources: Advanced F-15 Weapons Inventory

Service And Conflict Use

Service History

In service: In U.S. service since 1999.

Media

GBU-31 Mk-84, BLU-109 JDAM Images

GBU-31 Mk-84, BLU-109 JDAM, 2,000-pound GPS/INS-guided bomb, Munitions - view 1 — Source: US Navy GBU-31 loading photo

GBU-31 Mk-84, BLU-109 JDAM, 2,000-pound GPS/INS-guided bomb, Munitions - view 2 — Source: GBU-31 MK-84 warhead diagram

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Sources

Air Force JDAM Fact SheetPublisher: U.S. Air Force | Note: Supports GBU-31 background, GPS/INS guidance, payload classes, aircraft compatibility, accuracy, range, and unit cost. | Accessed: 2026-06-27 Advanced F-15 Weapons InventoryPublisher: Boeing | Note: Supports the F-15 external carriage matrix listing the GBU-31 Mk-84 and BLU-109 JDAM configuration. | Accessed: 2026-06-27 GBU-31 JDAM SVGPublisher: Wikimedia Commons | Note: Wikimedia Commons file page for a public-domain GBU-31 JDAM diagram. | Accessed: 2026-06-27 US Navy GBU-31 loading photoPublisher: Wikimedia Commons | Note: Wikimedia Commons file page for a public-domain U.S. Navy GBU-31 loading photo. | Accessed: 2026-06-27 GBU-31 MK-84 warhead diagramPublisher: Wikimedia Commons | Note: Wikimedia Commons file page for a public-domain U.S. Air Force GBU-31 Mk 84 warhead diagram. | Accessed: 2026-06-27