CBU-89 Gator mine

Also known as

CBU-89
CBU-89/B
CBU-89A/B
Gator
Gator mine
Gator mine system

The CBU-89 Gator mine is a U.S.-origin air-delivered cluster munition that emplaces scatterable mines from a SUU-64/B Tactical Munitions Dispenser. Reference sources describe the weapon as a 1,000-pound class munition with BLU-91/B antitank mines, BLU-92/B antipersonnel mines, and an optional FZU-39 proximity sensor.

CBU-89 Gator mine, Cluster munition, Munitions

Image source: Cbu89bomb.png

Profile / Specs

Profile

Origin: United States
Built by: GenCorp AerojetAerojet Ordnance Company
Type: Cluster munition
Service note: 1980s-present legacy U.S. service

air-to-surface cluster munition landmine mine warfare submunition unguided

Specifications

Weapon class: 1,000-pound class air-delivered cluster munition
Dispenser: SUU-64/B Tactical Munitions Dispenser
Payload: 72 BLU-91/B antitank mines and 22 BLU-92/B antipersonnel mines
Optional sensor: FZU-39 proximity sensor
Dimensions: Length 7 ft. 8 in.; diameter 16 in.

Carrier Aircraft

The B-1B fact sheet lists CBU-87/89 cluster munitions among the bomber's internal weapons-bay loads.

Carrier

Carrier type

Carriage evidence

B-1B Lancer, Long-range, multi-role supersonic bomber, Aircraft & UAVs

Long-range bomber

The B-1B fact sheet says the bomber can carry CBU-87/89 cluster munitions in its internal weapons bays.

Sources: B-1B Lancer

Documented Configuration

Reference sources describe the Gator mine as a 1,000-pound class munition built around a tactical munitions dispenser and a mixed mine payload.

Component	Detail	Source
Dispenser	SUU-64/B Tactical Munitions Dispenser.	GlobalSecurity.org
Antitank mines	72 BLU-91/B mines.	GlobalSecurity.org
Antipersonnel mines	22 BLU-92/B mines.	GlobalSecurity.org
Proximity sensor	Optional FZU-39 proximity sensor.	DVIDS Weapons Systems Almanac

Service And Conflict Use

Service History

In service: U.S. Air Force Gator mine system for rapid scatterable minefield emplacement.
Used by: United States Air Force

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Sources

CBU-89 Gator MinePublisher: GlobalSecurity.org | Note: Supports background and specifications for the CBU-89 Gator Mine, including the SUU-64/B Tactical Munitions Dispenser, 72 BLU-91/B mines, 22 BLU-92/B mines, the optional FZU-39 proximity sensor, and Aerojet Ordnance Company prime-contractor context. | Accessed: 2026-06-27 Gator WSPublisher: Hill Air Force Base | Note: Supports manufacturer and image provenance for the public-domain GenCorp Aerojet CBU-89A/B Gator Weapon System photo. | Accessed: 2026-06-27 DVIDS Weapons Systems AlmanacPublisher: DVIDS | Note: Supports the CBU-89 Gator's 1,000-pound class designation and listed dimensions in the weapons-system almanac table. | Accessed: 2026-06-27 Cbu89bomb.pngPublisher: Wikimedia Commons | Note: Supports image provenance and public-license context for the gallery image of the CBU-89 Gator mine. | Accessed: 2026-06-27 B-1B LancerPublisher: U.S. Air Force | Note: Supports the carrier-aircraft relationship because the B-1B fact sheet lists CBU-87/89 cluster munitions among the bomber's internal weapons-bay loads. | Accessed: 2026-06-27