Japanese aircraft sighted above Port Darwin, Australia according to the U.S. Joint Intelligence Committee. Daily summary dated 12 March 1942

An item reported that 6 Japanese aircraft executed a reconnaissance flight over Port Darwin, Australia but were forced by the anti aircraft defence to stay on a height of 25,000 feet and unable to attack.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 92 dated 12 March 1942.