Northrop F-61B-20-NO Black Widow Serial 43-8237 of the 68th Fighter-All Weather Squadron flying over Japan, 1949.
<p>Source: Credit given as USAF photo
</p>
Pape, Garry R., Campbell, John M. and Donna (1991), Northrop P-61 Black Widow--The Complete History and Combat Record. St. Paul, Minnesota: Motorbooks International. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-87938-509-X" title="Special:BookSources/0-87938-509-X">ISBN 0-87938-509-X</a>.
USAF
1949
Pape, Garry R., Campbell, John M. and Donna (1991), Northrop P-61 Black Widow--The Complete History and Combat Record. St. Paul, Minnesota: Motorbooks International. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0-87938-509-X" title="Special:BookSources/0-87938-509-X">ISBN 0-87938-509-X</a>.