On November 15, 1941, U.S. Army Chief of Staff General George Marshall gave a secret briefing to a small group of reporters to discuss the rising tensions between Washington D.C. and Tokyo. He was asked how the U.S. might prosecute a war against Japan if it should come to that. Marshall went off the record, and stated we would be merciless. American aircraft would be “dispatched to set the paper cities of Japan on fire. There won’t be any hesitation about bombing civilians — it will be all out.”
Just three weeks later, Pearl Harbor was attacked and the U.S. found itself at war with the Japanese empire. With the exception of Col. Jimmy Doolittle’s celebrated, if mostly symbolic, April 1942 raid the enemy’s homeland remained safely out of range.
As the Americans began to press ever closer to Japan in a series of island hopping operations through the Central Pacific, however,…