"The consensus of opinion has been that the military damage caused by raids on interior cities has not been worth the expenditure of planes and pilots," he wrote. "It is a current joke among the foreigners that it costs the Japanese about U.S.$2,000 to make a hole that the Chinese can fill for two Mex'" (about 60 cents official quotation).
It. Coffin said that the actual objectives of the bombers have been, in general, aerodromes, railway terminals, arsenals and barracks. The almost uninterrupted service of the Canton-Hankow railway in spite of repeated bombings in an illustration of the ineffectiveness of aerial attack in severing communications, he said. Aerial operations never ' seriously threatened steamer traffic on the Yangtze either, he said He reported personal inspection of one large railway yard the morning after a raid by many heavy bombers which, according to the estimates, dropped 600-kilo demolition bombs and 60-kilo framentation bombs,
Text read from the printed page and cleaned; old type leaves the occasional error.