5:2nd ADA

The 5th Battalion, 2nd Air Defense Artillery Regiment (5-2 ADA) traces its origins to the early 20th century, with its lineage dating back to the formation of the 2nd Regiment of Artillery in 1821. Over the decades, the unit has undergone numerous reorganizations and redesignations, serving in various air defense roles within the U.S. Army. Notably, 5-2 ADA has operated advanced air and missile defense systems such as the PATRIOT and Avenger, supporting both homeland defense and overseas contingency operations. Throughout its history, the battalion has played a vital role in protecting U.S. and allied forces from aerial and missile threats.