![National Museum of The U.S. Air Force's Kellett XR-8 Restoration 1 R6 4618](https://vintageaviationnews.com/wp-content/uploads/R6__4618-678x381.jpg)
Warbird Restorations
National Museum of The U.S. Air Force’s Kellett XR-8 Restoration
Inside the restoration hangar of the National Museum of The U.S. Air Force, the restoration of a relatively unknown prototype helicopter from the Second World War has been going on quietly for over a year […]