The Douglas A-4 Skyhawk is a lightweight attack aircraft designed in the 1950s by Douglas Aircraft Company. Known for its small size and agility, it was primarily used by the United States Navy and Marine Corps. The Skyhawk features a single-engine design and can carry a variety of weapons, making it effective for ground attack missions. First flown in 1954, the A-4 Skyhawk saw extensive service during the Vietnam War and was praised for its performance and versatility. Over 2,900 units were built, and it has been used by several countries around the world, showcasing its enduring legacy in military aviation.