This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
autograph frank gailer frankgailer Brigadier General U.S. Air Force shot down and interned by German forces as P.O.W. later returned to U.S. to serve as base flight operations officer at Selfridge Field Mich. Brigadier General U.S. Air Force shot down and interned by German forces as P.O.W. later returned to U.S. to serve as base