The 4th Squadron, 6th Air Cavalry Squadron (4-6 ACS) is a unit within the United States Army with a distinguished history in rotary-wing aviation. Originally constituted as part of the 6th Cavalry Regiment, the unit has undergone several reorganizations and redesignations to adapt to evolving Army aviation missions. The 4-6 ACS has deployed in support of major operations, including Operation Iraqi Freedom and Operation Enduring Freedom, providing reconnaissance, security, and attack capabilities using advanced helicopters such as the AH-64 Apache. Stationed at Fort Bliss, Texas, the squadron continues to uphold its legacy of excellence and adaptability in support of Army Aviation and combined arms operations.