The Growlers use the same jamming pod that came from the Prowler. A new jamming system is in development but, for now, the ALQ-99 is the system that they have and the pods are the same pods. The jamming power comes from a generator that is powered by a turbine mounted on the front of the pod. As the jet flies along, the turbine spins in the airflow and provides the “juice” to power the electronics within. Even at relatively low speeds the turbine gets rotating. However, when the jets come in to land, if they have a centerline pod, the turbine is not moving. I don’t know whether the blockage from the nose gear doors is enough to stop it or whether it is deliberately switched off. However, the turbine blades are feathered and it is not moving. Compare the wing mounted pods and the motion and blade angle is clearly different.
Dormant Centerline Jammer
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