| 1. |  | YO-3A Aircraft at Moffett Field | Airplanes; Lockheed Aircraft Corporation; Moffett Field (Calif.); Santa Clara County (Calif.)--History; Sunnyvale (Calif.) | Black-and-white photograph of eight YO-3A aircraft, manufactured by Lockheed Missiles & Space Co. These aircraft were the first full scale development aircraft to survive in a hostile environment (Vie |
