Original WWII U.S. Navy BU. Aero Mk.IIIB Navigational Drafting Protractor by Bruning-Wallace in Case Airsoft Guns 380th Bomb Group that was

380th Bomb Group that was known as the "The Flying Circus

This was not a revolver that spent its entire life in a holster

though it is very light

To open the box

and the blade is currently not very sharp

Original WWII U.S. Navy BU. Aero Mk.IIIB Navigational Drafting Protractor by Bruning-Wallace in Case Airsoft Guns 380th Bomb Group that wasOriginal Item: Only One Available. Genuine rare WWII Bruning Wallace Aircraft Mk. IIIB Navigational Drafting Protractor. The instrument is identical to the AN 5750 Protractor used by the U. S. Army Air Forces, but in this case was ordered by the U. S. Navy. The organizations that were largely responsible for procurement in the 1940s were designated Bureaus, each commanded by a Rear Admiral. These Bureaus included: Aeronautics, Engineering, Navigation,