4:1st ADA

• Lineage: The 4th Battalion, 1st Air Defense Artillery Regiment (4-1 ADA) traces its lineage back to 1790, making it one of the oldest air defense units in the U.S. Army, originally formed as part of the 1st Regiment of Artillerists and Engineers. • Historic Campaigns: Elements of the unit have participated in major U.S. conflicts, including the War of 1812, the Civil War, World War II, Operation Desert Storm, and Operation Iraqi Freedom. • Nickname: 4-1 ADA is known by the nickname “Guardians of the Pacific,” reflecting its strategic role in the Indo-Pacific region. • Modern Mission: The battalion currently operates the Patriot missile system, providing air and missile defense for U.S. and allied forces in the Pacific. • Stationed in Japan: 4-1 ADA is based at Kadena Air Base, Okinawa, Japan, playing a crucial role in the defense of U.S. interests and regional allies. • First to Deploy PATRIOT: 4-1 ADA was among the first U.S. Army units to deploy the Patriot missile system overseas, representing a leap in air defense technology. • Unit Motto: The battalion’s motto is “First to Fire,” symbolizing its readiness and rapid response capability. • Battle Honors: The unit’s colors bear numerous campaign streamers, including those from the Mexican War, Civil War, Philippine Insurrection, World War II (Pacific Theater), and the Gulf War. • Multi-national Exercises: 4-1 ADA regularly participates in large-scale joint exercises with Japanese Self Defense Forces and other allies to enhance regional security and interoperability. • Humanitarian Operations: In addition to combat missions, members of 4-1 ADA have supported humanitarian assistance and disaster relief efforts in the Asia-Pacific region.