How American planners turned Tokyo into a furnace during the final months of war
On March 9, 1945, the United States launched Operation Meetinghouse, a devastating air raid that incinerated 15 square miles of Tokyo. By abandoning high-altitude precision for low-level saturation, American forces created a firestorm so intense it melted metal and boiled canals, marking a grim shift in the strategy of global warfare.
The firebombing of Tokyo was the culmination of a tactical evolution. Early in the Pacific campaign, B-29 bombers struggled with inaccuracy due to high-altitude winds and persistent cloud cover, hitting targets less than 10 percent of the time. General Curtis LeMay, seeking to maximize destruction, ordered crews to strip their planes of defensive guns and gunners to carry heavier loads of napalm-filled incendiaries. He also shifted tactics from high-altitude formation flying to low-altitude, single-file night raids at 7,000 feet, where Japanese resistance was minimal.
American planners had long anticipated the vulnerability of Japanese cities. Engineers at the Dugway Proving Ground in Utah had even constructed a mock Japanese village to test how effectively wooden structures would burn. This preparation proved lethal on the night of March 9-10, 1945, when 334 B-29s dropped 1,667 tons of incendiaries. The resulting conflagration destroyed an area equivalent to half of Manhattan, left over a million people homeless, and killed more than 100,000 civilians in a single strike. This death toll exceeded that of the atomic bombings of Hiroshima and Nagasaki.
The psychological and physical impact of such raids was profound. Historian John Dower noted that the heat was so extreme that human beings burst into flames spontaneously. While the official rationale for such attacks often cited strategic communications or military targets, the sheer scale of destruction—as seen in the 1945 bombing of Dresden, which killed up to 25,000 people—led many to view these raids as attempts to break civilian morale. By the end of the war, postwar estimates suggested that air attacks on Japan caused approximately 330,000 deaths, a figure that surpassed the total combat casualties suffered by Japanese soldiers.