From February 2003 to May 2003, the battalion served in support of Operation Iraqi Freedom.

Alpha and Bravo batteries deployed to provide air defense for the Kingdom of Bahrain, while the balance of the battalion deployed to Kuwait in support of operation there.

In February 2006, the battalion was deployed on a contingency operation to Kadena Air Base, Okinawa, Japan, to provide air defense for key assets in the Pacific region; the battalion arrived in November of that same year.

1-1 ADA has received the following unit award(s): This article incorporates public domain material from 1st Air Defense Artillery Lineage And Honors Information (November 29, 1996).

United States Army Center of Military History.