**Headquarters and Headquarters Battery, 3rd Battalion, 5th Air Defense Artillery Regiment (HHB 3/5th ADA)** traces its lineage to the 5th Regiment of Artillery, constituted in 1861 during the American Civil War. Over the decades, the unit evolved through various reorganizations and redesignations, serving in major conflicts including World War II and the Cold War era in air defense roles. In its modern form, 3rd Battalion, 5th ADA has played a critical role in providing air and missile defense for U.S. and allied forces, with deployments in support of Operations Iraqi Freedom and Enduring Freedom. The HHB serves as the battalion's command and control element, ensuring operational readiness and support for subordinate batteries.
