|Bombing of Tokyo|
|Part of the Air raids on Japan, as part of the Pacific War|
Tokyo burns under B-29 firebomb assault, 26 May 1945
(279 bombers over target)
Approximately 638 antiaircraft guns|
90 fighter aircraft
8,000 professional and civilian firefighters
|Casualties and losses|
|43 aircraft destroyed||
80,000 to 130,000 civilians killed (most common estimates)|
Over one million homeless
267,171 buildings destroyed
The Bombing of Tokyo (東京大空襲, Tōkyōdaikūshū) was a series of firebombing air raids by the United States Army Air Force during the Pacific campaigns of World War II. Operation Meetinghouse, which was conducted on the night of 9–10 March 1945, is the single most destructive bombing raid in human history. 16 square miles (41 km2; 10,000 acres) of central Tokyo were destroyed, leaving an estimated 100,000 civilians dead and over one million homeless.
The US first mounted a seaborne, small-scale air raid on Tokyo (the "Doolittle Raid") in April 1942. Strategic bombing and urban area bombing began in 1944 after the long-range B-29 Superfortress bomber entered service, first deployed from China and thereafter the Mariana Islands. B-29 raids from those islands began on 17 November 1944, and lasted until 15 August 1945, the day of Japanese surrender.
Over 50% of Tokyo's industry was spread out among residential and commercial neighborhoods; firebombing cut the whole city's output in half. Some modern post-war analysts have called the raid a war crime due to the targeting of civilian infrastructure and the ensuing mass loss of civilian life.
Main article: Doolittle Raid
The first raid on Tokyo was the Doolittle Raid of 18 April 1942, when sixteen B-25 Mitchells were launched from USS Hornet to attack targets including Yokohama and Tokyo and then fly on to airfields in China. The raid was retaliation against the Japanese attack on Pearl Harbor. The raid did little damage to Japan's war capability but was a significant propaganda victory for the United States. Launched at longer range than planned when the task force encountered a Japanese picket boat, all of the attacking aircraft either crashed or ditched short of the airfields designated for landing. One aircraft landed in the neutral Soviet Union where the crew was interned, but then smuggled over the border into Iran on 11 May 1943. Two crews were captured by the Japanese in occupied China. Three crewmen from these groups were later executed.
The key development for the bombing of Japan was the B-29 Superfortress strategic bomber, which had an operational range of 3,250 nautical miles (3,740 mi; 6,020 km) and was capable of attacking at high altitude above 30,000 feet (9,100 m), where enemy defenses were very weak. Almost 90% of the bombs dropped on the home islands of Japan were delivered by this type of bomber. Once Allied ground forces had captured islands sufficiently close to Japan, airfields were built on those islands (particularly Saipan and Tinian) and B-29s could reach Japan for bombing missions.
The initial raids were carried out by the Twentieth Air Force operating out of mainland China in Operation Matterhorn under XX Bomber Command, but these could not reach Tokyo. Operations from the Northern Mariana Islands commenced in November 1944 after the XXI Bomber Command was activated there.
The high-altitude bombing attacks using general-purpose bombs were observed to be ineffective by USAAF leaders due to high winds—later discovered to be the jet stream—which carried the bombs off target.
Between May and September 1943, bombing trials were conducted on the Japanese Village set-piece target, located at the Dugway Proving Grounds. These trials demonstrated the effectiveness of incendiary bombs against wood-and-paper buildings, and resulted in Curtis LeMay's ordering the bombers to change tactics to utilize these munitions against Japan.
The first such raid was against Kobe on 4 February 1945. Tokyo was hit by incendiaries on 25 February 1945 when 174 B-29s flew a high altitude raid during daylight hours and destroyed around 643 acres (260 ha) (2.6 km2) of the snow-covered city, using 453.7 tons of mostly incendiaries with some fragmentation bombs. After this raid, LeMay ordered the B-29 bombers to attack again but at a relatively low altitude of 5,000 to 9,000 ft (1,500 to 2,700 m) and at night, because Japan's anti-aircraft artillery defenses were weakest in this altitude range, and the fighter defenses were ineffective at night. LeMay ordered all defensive guns but the tail gun removed from the B-29s so that the aircraft would be lighter and use less fuel.
Main article: Bombing of Tokyo (10 March 1945)
On the night of 9–10 March 1945, 334 B-29s took off to raid with 279 of them dropping 1,665 tons of bombs on Tokyo. The bombs were mostly the 500-pound (230 kg) E-46 cluster bomb which released 38 napalm-carrying M-69 incendiary bomblets at an altitude of 2,000–2,500 ft (610–760 m). The M-69s punched through thin roofing material or landed on the ground; in either case they ignited 3–5 seconds later, throwing out a jet of flaming napalm globs. A lesser number of M-47 incendiaries were also dropped: the M-47 was a 100-pound (45 kg) jelled-gasoline and white phosphorus bomb which ignited upon impact. In the first two hours of the raid, 226 of the attacking aircraft unloaded their bombs to overwhelm the city's fire defenses. The first B-29s to arrive dropped bombs in a large X pattern centered in Tokyo's densely populated working class district near the docks in both Koto and Chūō city wards on the water; later aircraft simply aimed near this flaming X. The individual fires caused by the bombs joined to create a general conflagration, which would have been classified as a firestorm but for prevailing winds gusting at 17 to 28 mph (27 to 45 km/h). Approximately 15.8 square miles (4,090 ha) of the city were destroyed and some 100,000 people are estimated to have died. A grand total of 282 of the 339 B-29s launched for "Meetinghouse" made it to the target, 27 of which were lost due to being shot down by Japanese air defenses, mechanical failure, or being caught in updrafts caused by the fires.
The Operation Meetinghouse firebombing of Tokyo on the night of 9 March 1945 was the single deadliest air raid of World War II, greater than Dresden, Hamburg, Hiroshima, or Nagasaki as single events.
Damage to Tokyo's heavy industry was slight until firebombing destroyed much of the light industry that was used as an integral source for small machine parts and time-intensive processes. Firebombing also killed or made homeless many workers who had taken part in the war industry. Over 50% of Tokyo's industry was spread out among residential and commercial neighborhoods; firebombing cut the whole city's output in half. The destruction and damage was especially severe in the eastern areas of the city.
Emperor Hirohito's tour of the destroyed areas of Tokyo in March 1945 was the beginning of his personal involvement in the peace process, culminating in Japan's surrender six months later.
The US Strategic Bombing Survey later estimated that nearly 88,000 people died in this one raid, 41,000 were injured, and over a million residents lost their homes. The Tokyo Fire Department estimated a higher toll: 97,000 killed and 125,000 wounded. The Tokyo Metropolitan Police Department established a figure of 83,793 dead and 40,918 wounded and 286,358 buildings and homes destroyed. Historian Richard Rhodes put deaths at over 100,000, injuries at a million and homeless residents at a million. These casualty and damage figures could be low; Mark Selden wrote in Japan Focus:
The figure of roughly 100,000 deaths, provided by Japanese and American authorities, both of whom may have had reasons of their own for minimizing the death toll, seems to be arguably low in light of population density, wind conditions, and survivors' accounts. With an average of 103,000 inhabitants per square mile (396 people per hectare) and peak levels as high as 135,000 per square mile (521 people per hectare), the highest density of any industrial city in the world, and with firefighting measures ludicrously inadequate to the task, 15.8 square miles (41 km2) of Tokyo were destroyed on a night when fierce winds whipped the flames and walls of fire blocked tens of thousands fleeing for their lives. An estimated 1.5 million people lived in the burned out areas.
In his 1968 book, reprinted in 1990, historian Gabriel Kolko cited a figure of 125,000 deaths. Elise K. Tipton, professor of Japan studies, arrived at a rough range of 75,000 to 200,000 deaths. Donald L. Miller, citing Knox Burger, stated that there were "at least 100,000" Japanese deaths and "about one million" injured.
After the war, Tokyo struggled to rebuild. In 1945 and 1946, the city received a share of the national reconstruction budget roughly proportional to its amount of bombing damage (26.6%), but in successive years Tokyo saw its share dwindle. By 1949, Tokyo was given only 10.9% of the budget; at the same time there was runaway inflation devaluing the money. Occupation authorities such as Joseph Dodge stepped in and drastically cut back on Japanese government rebuilding programs, focusing instead on simply improving roads and transportation. Tokyo did not experience fast economic growth until the 1950s.
Between 1948 and 1951 the ashes of 105,400 people killed in the attacks on Tokyo were interred in Yokoamicho Park in Sumida Ward. A memorial to the raids was opened in the park in March 2001. The park has a list of names of people who died of the Bombing, which is made based on the applications from bereaved families and it has 81,273 names as of March 2020. Bereaved families can submit application to have the names of victims written in the list to the government of Tokyo.
After the war, Japanese author Katsumoto Saotome, a survivor of 10 March 1945 firebombing, helped start a library about the raid in Koto Ward called the Center of the Tokyo Raids and War Damage. The library contains documents and literature about the raid plus survivor accounts collected by Saotome and the Association to Record the Tokyo Air Raid.
In 2013, during Japanese Prime Minister Shinzō Abe's second term, Abe's cabinet stated that the raids were "incompatible with humanitarianism, which is one of the foundations of international law", but also noted that it is difficult to argue that the raids were illegal under the international laws of the time.
In 2007, 112 members of the Association for the Bereaved Families of the Victims of the Tokyo Air Raids brought a class action against the Japanese government, demanding an apology and 1.232 billion yen in compensation. Their suit charged that the Japanese government invited the raid by failing to end the war earlier, and then failed to help the civilian victims of the raids while providing considerable support to former military personnel and their families. The plaintiffs' case was dismissed at the first judgement in December 2009, and their appeal was rejected. The plaintiffs then appealed to the Supreme Court, which rejected their case in May 2013.
1945: In the single deadliest air raid of World War II, 330 American B-29s rain incendiary bombs on Tokyo, touching off a firestorm that kills upwards of 100,000 people, burns a quarter of the city to the ground, and leaves a million homeless.
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