An U.S. 112th Observation Squadron, Ohio National Guard North American O-47B of the National Museum of the United States Air Force.
USAF
National Museum of the United States Air Force photo <a rel="nofollow" class="external text" href="http://www.nationalmuseum.af.mil/shared/media/photodb/photos/050309-F-1234P-021.jpg">050309-F-1234P-021</a>.