File:Oberursel UR.II USAF.jpg

DescriptionOberursel UR.II USAF.jpg English: Oberursel UR.II USAF Date Unknown date Source USAF Author This file is lacking author information.

DescriptionOberursel UR.II (2).jpg English: Oberursel UR.II rotary engine, USAF Museum, Ohio Date 2004 Source https://www.flickr.com/photos/37467370@N08/7444071920