The unit was reconstituted on 28 June 1950 in the Regular Army; and concurrently consolidated with Battery A, 26th Antiaircraft Artillery Automatic Weapons Battalion (active) which itself was originally constituted on 25 February 1943 in the Army of the United States as Battery A, 784th Coast Artillery Battalion, and activated on 10 April 1943 at Fort Bliss, Texas.

That unit was later re-designated on 30 April 1943 as Battery A, 784th Antiaircraft Artillery Automatic Weapons Battalion and inactivated on 31 December 1945 in Germany.

It was re-designated on 13 October 1948 as Battery A, 26th Anti-aircraft Artillery Automatic Weapons Battalion, and allotted to the Regular Army, and activated on 20 March 1949 in Japan as an element of the 24th Infantry Division.

The consolidated unit was designated as Battery A, 26th Anti-aircraft Artillery Automatic Weapons Battalion, an element of the 24th Infantry Division.

Now the battalion is stationed in Kaiserslautern, Germany subordinate to the 10th Army Air & Missile Defense Command with five batteries and a maintenance company.

On 1 October 2015, the 5th Battalion, 7th Air Defense Artillery officially completed a unit move from Rhine Ordnance Barracks to Baumholder, Germany.