The A-6E was an all-weather, two seat, subsonic, carrier-based attack aircraft. It was equipped with a microminiaturized digital computer, a solid state weapons release system, and a single, integrated track and search radar. The target recognition/attack multi-sensor (TRAM) version of the A-6E was introduced to the fleet in 1979. It was equipped with a chin turret containing a forward-looking infra-red (FLIR) system and a laser designator and receiver.