Cessna O-1 Birddog

The Cessna 0-1 Bird Dog is a liaison and observation aircraft, and was the first all-metal fixed-wing aircraft ordered for and by the United States Army. The Bird Dog had a lengthy career in the U.S. military, as well as in other countries, and `was widely used during the Vietnam War. During the Vietnam War the Bird Dog was used primarily for reconnaissance, target acquisition, artillery adjustment, radio relay, convoy escort and the forward air control of tactical aircraft, to include bombers operating in a tactical role.