The 390th Electronic Combat Squadron (ECS) is a unit within the Air Combat Command (ACC) of the United States Air Force. Its primary role involves electronic warfare, specifically employing and coordinating specialized equipment to protect friendly forces from electronic threats, disrupt enemy electronics, and provide information about enemy systems. The squadron’s base of operations is located at Eglin Air Force Base in Florida. The 390th ECS plays a crucial part in ensuring the overall success of air operations for the U.S. Air Force.