Talk:X-53 Active Aeroelastic Wing
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[edit] X-53 designation
The Active Aeroelastic Wing was planned to be designated X-52, but that designation was skipped to avoid confusion with the Boeing B-52, and the AAW was designated X-53 instead. [1] The designation X-52 may be assigned to a new experimental aircraft in the future.
[1] http://www.designation-systems.net/usmilav/missing-mds.html