For those interested in "U.S. Air Service in World War One" (Big .pdf files, dry reading but details for possible future use):
https://www.airforcehistory.hq.af.mil/Publications/Annotations/maurerairservice.htm

Probably already have this one, but it's an entertaining read - Rickenbacker "Fighting the Flying Circus":
http://richthofen.com/rickenbacker/
(Also, at http://richthofen.com , you get... you guessed it Richthofen - Der Rote Kampfflieger in English.)


Papa_K