RTX taps Growler jammer for land-and-sea deployment

A new generation of the Growler's jammer, developed by RTX, is being redesigned to operate from both land and sea. The system aims to emit non-kinetic effects to complicate adversaries’ targeting of high-value assets and to protect those assets from detection and engagement. The move signals a push to broaden electronic warfare reach and resilience across multiple domains.

The Growler family’s next-gen electronic attack jammer is being adapted to operate from land and maritime platforms, expanding its reach beyond traditional shipboard configurations. RTX is leading the effort to ensure the jammer can be mounted on versatile platforms, enabling rapid redeployment in contested environments. The project centers on creating non-kinetic effects designed to disrupt adversaries’ targeting processes without relying on traditional kinetic strikes. This shift improves survivability for high-value assets by complicating detection, tracking, and engagement sequences.

Historically, Growler platforms have focused on air-based and ship-based employment, leveraging electronic warfare to degrade enemy radar and communications. The new land- and sea-enabled variant represents a significant transition, integrating multi-domain flexibility with existing air operations. It aligns with broader defense priorities to harden deterrence by denying adversaries the ability to reliably locate and engage critical assets. While official technical specifics remain restricted, the approach emphasizes modularity, rapid fielding, and interoperability with allied forces’ sensors and command networks.

Strategically, the move enhances deterrence by complicating an adversary’s calculus across both gray-zone and kinetic conflict scenarios. By expanding platform density and operational envelopes, the program could complicate enemy targeting pipelines, degrade ISR (intelligence, surveillance, reconnaissance) quality, and raise the cost of disruption for adversaries attempting to protect their own assets. The land/sea adaptation also improves resilience against maritime and littoral threats, ensuring that high-value units can be defended even if sea lanes are contested or air superiority is degraded.

Technical and operational elements likely involve ruggedized, weather-tolerant housings, power management for flexible power generation on land and at sea, and secure data links to connect with joint force networks. The system would need to balance signal complexity, spectrum agility, and processor performance to avoid mutual interference while maintaining effectiveness. Budgetary signals suggest prioritization within broader electronic warfare modernization efforts, emphasizing rapid insertion and lifecycle maintenance for allied interoperability.

Looking ahead, the land-and-sea Growler jammer could recalibrate force protection and expeditionary access in contested theaters. If fielded at scale, it could reshape antisurveillance dynamics, push adversaries toward more costly dispersion and deception, and increase the friction of adversary ISR campaigns. The development also carries implications for allied basing and prepositioning strategies, potentially driving new multinational EW cooperation and standardization efforts.