In support of an official event 

The Museum will be closed Sunday, May 25
In addition, the Fourth Hangar will be closed Saturday, May 24

Access to the Presidential Gallery will be limited from May 15 to June 5
 

Convair XP-81

Note: This aircraft is currently in storage.

The Convair twin-engine XP-81, tested in 1944-1945, was powered by a conventional turbojet engine and also a turboprop engine in which most of the power was used to turn a propeller rather than being expended as jet thrust. Originally, turboprops offered greater fuel economy than turbojets, but this advantage was offset by improvements in turbojet design.

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