In 1941, Haiphong (106.686E 20.865N) was the chief port and economic center of northern French Indochina, now Vietnam. Located in the Red River delta, the port is subject to heavy silting and must be constantly dredged. There were coal mines nearby, at Hongai (107.145E 20.985N), and likely an airstrip at Cat Bi (106.727E 20.825N).
The port was attacked repeatedly by 14 Air Force from bases in China from early 1943 to the end of the war.
Craven and Cate (1950; accesssed 2014-1-4)
Van Royden and Bowles (1952)
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