The example pictured is the Martin Aircraft Company X-24 built as part of an experimental US military program running from 1963 to 1975.
... the town has a total area of 41.7 km² (16.1 mi²). 37.6 km² (14.5 mi²) of it is land and 4.1 km² (1.6 mi²) of it is water. The total area ...