About this Unit
Headquarters and Headquarters Battery, 2nd Battalion, 55th Air Defense Artillery (HHB 2/55 ADA) traces its lineage to the original 55th Coast Artillery Regiment, activated in 1918. Over the decades, the unit underwent several reorganizations, serving with distinction in both World War II and the Cold War as part of the U.S. Army’s air defense mission. Reactivated during the Cold War era, 2/55 ADA was equipped with advanced air defense systems and played a key role in protecting critical assets in Europe and the United States. Today, HHB 2/55 ADA continues its legacy by providing command, control, and operational support to its subordinate batteries in air and missile defense operations.
Historical Facts
• Origins in World War II: The lineage of the 2nd Battalion, 55th Air Defense Artillery (2-55 ADA) can be traced back to World War II, when the unit's predecessors provided anti-aircraft artillery support during major campaigns in Europe.
• HHB Designation: "HHB" stands for Headquarters and Headquarters Battery, serving as the command and control element of the battalion, coordinating operations, logistics, and administration.
• Cold War Deployments: Throughout the Cold War, 2-55 ADA units were stationed in Germany and other parts of Europe, standing guard against potential Soviet air threats as part of NATO defense forces.
• Patriot Missile System: At various points in its history, elements of 2-55 ADA have operated the Patriot Missile System, a key component of U.S. and allied air and missile defense.
• Desert Storm Participation: Units from the 2-55 ADA participated in Operation Desert Storm in 1991, providing air defense coverage for coalition forces during the liberation of Kuwait.
• Reorganizations and Redesignations: The unit has undergone multiple reorganizations and redesignations, reflecting changes in Army structure and the evolution of air defense tactics and technology.
• Motto and Insignia: The battalion's motto, often associated with the ADA branch, is "First to Fire," symbolizing the quick reaction and vigilance required of air defenders. The unit's crest and insignia reflect its heritage and mission.
• Training Excellence: HHB 2/55 ADA has a tradition of excellence in training, regularly participating in large-scale exercises to maintain readiness against aerial and missile threats.
• Community Engagement: The unit has a history of engaging with local communities during its postings, including organizing open houses, school visits, and participating in parades and commemorations.
• Modern Deployments: In recent years, elements of 2-55 ADA have deployed in support of Operation Enduring Freedom and Operation Iraqi Freedom, providing critical air and missile defense for U.S. and allied forces in the Middle East.