Electronic Warfare

ALQ-99 Tactical Jamming System

Also known as

AN/ALQ-99
ALQ-99 TJS
ALQ-99 jamming pod

The ALQ-99 Tactical Jamming System is a U.S. external-carriage airborne electronic attack pod family used to jam radar and communications targets for suppression of enemy air defenses. NAVAIR says it entered service in 1971, served on the EA-6B Prowler before transitioning to the EA-18G Growler in 2010, and remains in use until Next Generation Jammer pods fully replace it.

ALQ-99 Tactical Jamming System, Tactical jamming pod system, Electronic Warfare

Image source: ALQ-99 Tactical Jamming System

Profile / Specs

Profile

Origin: United States
Built by: Northrop Grumman
Type: Tactical jamming pod system
Service note: 1971-present; legacy system being replaced by Next Generation Jammer pods

electronic warfare jamming airborne

Specifications

Primary function: External-carriage airborne electronic attack
Targets: Radar and communications emitters
Service entry: Initial operational capability in 1971
Carrier aircraft: EA-6B Prowler; EA-18G Growler
Replacement: Next Generation Jammer (NGJ)

Carrier Aircraft

NAVAIR describes the ALQ-99 Tactical Jamming System as an external-carriage airborne electronic attack capability used on the EA-18G Growler.

Carrier

Carrier type

Carriage evidence

EA-18G Growler, Carrier-capable airborne electronic attack aircraft, Electronic Warfare

Carrier-capable electronic attack aircraft

NAVAIR says the ALQ-99 Tactical Jamming System is an external-carriage airborne electronic attack capability for the EA-18G Growler used against radar and communications targets.

Sources: EA-18G Growler

Service And Conflict Use

Service History

In service: Initial operational capability in 1971; transitioned from the EA-6B Prowler to the EA-18G Growler in 2010.

Media

ALQ-99 Tactical Jamming System Images

ALQ-99 Tactical Jamming System, Tactical jamming pod system, Electronic Warfare - view 1 — Source: Flickr - Official U.S. Navy Imagery - Sailors wipe down an ALQ 99 jamming pod..jpg

ALQ-99 Tactical Jamming System, Tactical jamming pod system, Electronic Warfare - view 2 — Source: Red Flag-Alaska 160810-F-YK359-1035.jpg

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Sources

ALQ-99 Tactical Jamming SystemPublisher: Naval Air Systems Command | Note: Supports the ALQ-99 legacy pod-family background, 1971 service entry, EA-6B-to-EA-18G transition, airborne electronic attack role, and image provenance for the primary page image. | Accessed: 2026-06-27 Northrop Grumman Naval AviationPublisher: Northrop Grumman | Note: Supports Northrop Grumman manufacturer context for the ALQ-99 Tactical Jamming System on the EA-18G Growler. | Accessed: 2026-06-27 EA-18G GrowlerPublisher: Naval Air Systems Command | Note: Supports the EA-18G Growler's representative loadout that includes three ALQ-99 tactical jamming pods. | Accessed: 2026-06-27 Flickr - Official U.S. Navy Imagery - Sailors wipe down an ALQ 99 jamming pod..jpgPublisher: Wikimedia Commons | Note: Public-domain U.S. Navy photo provenance for the gallery image showing an ALQ-99 jamming pod. | Accessed: 2026-06-27 Red Flag-Alaska 160810-F-YK359-1035.jpgPublisher: Wikimedia Commons | Note: Public-domain U.S. Air Force photo provenance for the gallery image showing an ALQ-99 pod on an EA-18G Growler. | Accessed: 2026-06-27