The Grumman A-6 Intruder was designed as the replacement of the A-1 Skyraider. It's the first all-weather attack aircraft of the US Navy. The aircraft were called as the A2F before 1962 and got the new name, the A-6 Intruder, in service. The outstanding all-weather capability soon made the A-6 the main strike force of the Navy and Marines,and devoted into the Vietnam War.

The A-6E is the last production type of the Intruder family. They were developed for the strike missions. A new AN/APQ-148 radar replaced the old version one and the DIANE system were replaced by the lastest computer system. In the late 1970s, the new navigation system called CAINS were equipped, the CAINS A-6E can be distinguished by the extra air scoop on top of the fuselage near the vertical stabilizer.

Start at 1979, all of the A-6E Intruders were armed with the AN/ASS-33 detection and ranging set, which a part of the TRAM system. They were located inside a small turret under the radome. The A-6E TRAM participated in most of the military actions of the Navy in last century. All of the Intruders were replaced by the F/A-18E/F Super Hornet in 1997.