Source:Warbirds site http://www.ijnafpics.com/jbwe131.htm archive copy at the Wayback Machine

No copyright claimed on Warbirds site.

We can safely conclude this is a photo made by a Japanese National prior to 1956. War damage is not evident, placing the date well before 1956, and there is no reasonable explanation for how a foreign national could take such a close photograph of Japanese military planes, given the extreme security measures the Japanese took with their military operations. -Mak 08:04, 7 June 2006 (UTC)

	This photograph is in the public domain in Japan because its copyright has expired according to Article 23 of the 1899 Copyright Act of Japan (English translation) and Article 2 of Supplemental Provisions of Copyright Act of 1970. This is when the photograph meets one of the following conditions: It was published before 1 January 1957. It was photographed before 1 January 1947. It is also in the public domain in the United States because its copyright in Japan expired by 1970 and was not restored by the Uruguay Round Agreements Act.
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