The Vampire's attack countermeasures systems were the most advanced in the world.
The defensive countermeasures system was on automatic repeat; it should defeat the incoming missiles.
It also sends a signal to the aircraft's infrared countermeasures system, which can then for example deploy flares.
The Sea Dragon is equipped with mine countermeasures systems, including twin machine guns.
The aircraft was unarmed but was fitted with a countermeasure system to increase its survivability.
Its electronic warfare suite includes comprehensive active and passive Electronic countermeasures systems.
Radar, electromagnetic, and a variety of other sophisticated detection and countermeasures systems fed their electronic data into the processing center.
We're losing our electronic countermeasures system.
They concern the characteristics and operating procedures of sensor, communications, navigation aids, threat recognition, weapons, and countermeasures systems.
If a threat is detected, it sends a signal to the control indicator which informs the crew, and the aircrafts infrared countermeasures system.
