The example pictured is the Martin Aircraft Company X-24 built as part of an experimental US military program running from 1963 to 1975.
... Bureau, the town has a total area of 5.9 km² (2.3 mi²). 5.4 km² (2.1 mi²) of it is land and 0.6 km² (0.2 mi²) of it is water. The total area ...