Fat Man: How I Learned to Stop Worrying and Love the Bomb

Start with the numbers. Then sit with them.

The US dropped more tonnage on Vietnam alone than all combatants combined dropped during all of World War II. Laos received more bombs per capita than any country in history — the equivalent of one B-52 payload per person. Cambodia was bombed for nine years, much of it in secret, by a government that told its own Congress the war was winding down.

These are not historical footnotes. They are the record of a state that made mass aerial bombardment the first tool of its foreign policy and has never been called to account for any of it.

Little Boy (Hiroshima, August 6) yielded approximately 15 kilotons. Fat Man (Nagasaki, August 9) yielded approximately 21 kilotons. Both were detonated at roughly 600 meters altitude — an elevation calculated specifically to maximize blast pressure on unhardened civilian structures.

The targeting committee's primary choice was not Hiroshima. It was Kyoto — Japan's cultural and former imperial capital, with over a million residents. General Leslie Groves wanted Kyoto precisely because obliterating it would produce maximum psychological shock. Kyoto was struck from the list twice by Henry Stimson, Secretary of War, who had visited the city before the war and had personal affection for it. Stimson overrode Groves on aesthetic grounds. Hiroshima moved up in its place.

On August 9, Kokura was the primary target for the second bomb. The crew of Bockscar circled three times in deteriorating cloud cover and then diverted to the secondary: Nagasaki. The decision about which Japanese city died on August 9 was made by the weather.

Approximately 70,000–80,000 people died instantly in Hiroshima; another 60,000 within months from burns, radiation poisoning, and trauma. By the end of 1945, the death toll was approximately 140,000. At Nagasaki: ~40,000 instantly; ~70,000 total by December 1945.

John Hersey's Hiroshima — published in The New Yorker on August 31, 1946, filling the entire issue — is still the most honest accounting in the English language of what the bombs did to individual human beings. The shadow of a man burned onto stone steps at the Sumitomo Bank. A woman carrying what she realized was her infant's severed head, not the child. People whose skin slid off when touched. Hersey named six survivors and followed them through the days after. The New Yorker sold out within hours. Stimson called it propaganda.

Long-term effects, documented: The Radiation Effects Research Foundation's Life Span Study — a joint US-Japan longitudinal study of the hibakusha (bomb survivors) — documented elevated leukemia rates beginning in 1947, peaking in the mid-1950s, and elevated solid-tumor rates beginning approximately a decade after the bombings and persisting through the rest of survivors' lives. Children exposed in utero showed elevated microcephaly, intellectual disability, and growth retardation, dose-dependent on proximity to the hypocenter. Multigenerational genetic studies are still being conducted on the F1 cohort (children of survivors).

The United States suppressed photographic and film documentation of the aftermath for seven years. MacArthur's occupation classified the footage shot by Japanese filmmaker Akira Iwasaki and US Army filmmaker Daniel McGovern. The film was not made public until 1968, two decades after the bombings. The photographs were treated as classified documents. The official rationale was that the imagery was "too disturbing." The actual rationale was that it was too honest.

By July 1945, Japanese Foreign Minister Shigenori Togo was cabling Japan's ambassador in Moscow, Naotake Sato, repeatedly: get the Soviets to broker a surrender on terms that allow Japan to retain the emperor.

Sato's response, in cable after cable, was clear: the Soviets are about to declare war on you. They will not mediate. His July 12, 1945 cable stated flatly: "It is meaningless to ask Soviet good offices in obtaining peace."

The US had broken Japanese diplomatic codes years earlier. The MAGIC intercepts — these cables, in real time — were on Truman's desk, Stimson's desk, and Secretary of State James Byrnes's desk. The US leadership knew, in detail, that Japan's government was actively trying to surrender, that the chief obstacle was the unconditional- surrender formula and the emperor question, and that the Japanese were clinging to the Soviet-mediation option their own ambassador had told them was a fantasy.

On July 26, 1945, the US, UK, and China issued the Potsdam Declaration demanding Japan's surrender. Stalin was physically present at Potsdam. He was not a signatory. The declaration was deliberately issued without Soviet participation — officially because the 1941 USSR-Japan Neutrality Pact was still technically in force. The effect: because the Soviets weren't formal parties, Japan's peace faction couldn't use the ultimatum to break the cabinet's Soviet-mediation illusion.

August 6: Hiroshima. August 8: The Soviet Union declared war on Japan and invaded Manchuria — exactly as agreed at Yalta, three months after V-E Day. August 9: Nagasaki. Same day Soviet invasion is in full force. August 10: Japanese cabinet votes to accept Potsdam terms. August 15: Japan surrenders.

Historian Tsuyoshi Hasegawa, in Racing the Enemy (2005), argues that the Soviet declaration of war — not Hiroshima — broke the Japanese cabinet's deadlock. Two days passed between Hiroshima and any significant cabinet movement. The Soviet entry on August 8 ended the mediation fantasy that had kept the war faction viable. Nagasaki, on this reading, was dropped after the decisive event had already occurred.

Hasegawa's interpretation is contested — Richard Frank's Downfall (1999) argues the bombs were decisive. What is not contested in the historiographical record is that Japan was actively seeking surrender for weeks before Hiroshima, and the US leadership knew this in real time. The "there was no choice" narrative is, at minimum, incomplete.

The US Strategic Bombing Survey's own 1946 postwar review — the US government's official assessment — concluded: "Japan would have surrendered even if the atomic bombs had not been dropped, even if Russia had not entered the war, and even if no invasion had been planned or contemplated."

The canonical American justification for Hiroshima and Nagasaki is that the bombs prevented an invasion of Japan that would have killed a million or more Americans. This figure was invented retroactively.

Historian Barton Bernstein, in "A Postwar Myth: 500,000 U.S. Lives Saved" (Bulletin of the Atomic Scientists, 1986), traced the "million lives" figure back to its origin: Henry Stimson's Harper's essay, February 1947 — published eighteen months after the bombings as postwar justification was being constructed. The actual casualty estimates the planners worked with before the bombs were dropped — the documents that were on the desks — showed projected US losses for the invasion of Japan in the range of 25,000 to 46,000. These are terrible numbers. They are not a million. The "million lives" claim was never in any pre-bombing planning document.

The origin of the postwar myth was clear enough that the Strategic Bombing Survey's 1946 assessment — issued while the bones of the justification were still being assembled — concluded the opposite: Japan would have surrendered without the bombs, without a Soviet declaration of war, and without any invasion. The Survey said what it found. The official mythology said what was needed politically.

The documentary footage that would have shown Americans what the bombs did to Japanese bodies was classified for twenty-three years. The photograph of the Hiroshima shadow — a man burned into the steps of a bank — was suppressed. The word "Hiroshima" was kept off American screens. What was managed out of the public record was not classified because it endangered national security. It was classified because it was true.

Korea (1950–53). General Curtis LeMay, who directed the bombing campaign, said afterward: "We burned down every town in North Korea and South Korea, too." Bruce Cumings estimates that approximately 20 percent of North Korea's entire population was killed — a percentage that exceeds the Soviet Union's World War II losses. The US dropped approximately 635,000 tons of bombs, more than it dropped in the entire Pacific theater of World War II. Napalm was used systematically against civilian populations. The armistice of 1953 left North Korea without a functioning city.

Vietnam (1965–75). Approximately 7.5 million tons of bombs — more than all combatants combined in World War II. Operation Rolling Thunder, Linebacker I and II. Free-fire zones in which every living thing was a legitimate target. Nick Turse's Kill Anything That Moves (2013), based on previously classified military documents, reconstructed the systematic pattern of atrocity: not isolated incidents, but doctrine. My Lai was a symptom, not an exception.

Laos (1964–73). The Secret War. Approximately 580,000 bombing missions over nine years — one mission every eight minutes, around the clock, for nine years. Approximately 30% of cluster munitions failed to detonate on impact. These unexploded ordnance continue to kill and maim Laotian civilians today. Since 1973, UXO has killed more than 20,000 people in Laos and injured approximately 50,000 more. The US spent more bombing Laos than it has spent on UXO cleanup in the five decades since.

Cambodia (1965–73) — the Kissinger campaign. Between March 1969 and August 1973, the Nixon administration conducted a secret bombing campaign against Cambodia — Operations Menu and Freedom Deal — that dropped approximately 2.7 million tons of bombs on the country. Congress was not informed. The campaign was concealed through a dual-reporting system that falsified flight records, substituting false targets in Cambodia for approved targets in Vietnam. The Pentagon Papers documented this deception; the 1973 Senate Armed Services hearings confirmed it.

The architect was Henry Kissinger, Nixon's National Security Adviser and later Secretary of State. Declassified documents from the National Security Archive confirm that Kissinger personally approved target lists and was a principal operational authority for the campaign. His reported instruction to Alexander Haig, December 9, 1970: "A massive bombing campaign in Cambodia. Anything that flies, on anything that moves." (NSC telephone transcript, cited Greg Grandin, Kissinger's Shadow, 2015.)

Cambodian civilian deaths from the US bombing are estimated between 150,000 and 500,000. The destabilization — mass displacement, destruction of agricultural infrastructure, delegitimization of the government — is documented as a direct precondition for the Khmer Rouge's rise to power in 1975. The subsequent Cambodian genocide killed an estimated 1.5 to 2 million people. The causal chain from the US bombing campaign to the genocide is documented in Ben Kiernan's scholarship and is not meaningfully contested by serious historians.

Kissinger received the Nobel Peace Prize in October 1973 — at the moment he was approving targets in Cambodia. Two members of the Norwegian Nobel Committee resigned in protest. Tom Lehrer's observation became history's epigraph: "Political satire became obsolete when Henry Kissinger was awarded the Nobel Peace Prize."

The Chennault Affair (1968). Before Kissinger entered government, he was simultaneously advising the Johnson administration's Vietnam negotiating team and the Nixon campaign — a back-channel positioning himself with both sides. Through Nixon's campaign, the emissary Anna Chennault contacted South Vietnamese President Nguyễn Văn Thiệu and told him to refuse the Paris peace talks, promising better terms under Nixon. This sabotaged LBJ's October 1968 ceasefire push. LBJ, whose surveillance caught it in real time, called it "treason" in a private phone call. He chose not to expose it publicly because doing so would have revealed the surveillance methods. Nixon won by 0.7 percent of the popular vote. The Vietnam War continued for five more years, killing approximately 20,000 additional Americans and more than a million additional Southeast Asians. (Source: John A. Farrell, Richard Nixon: The Life, 2017; LBJ presidential library tapes, declassified 2008.)

Iraq, Afghanistan, Yemen, Syria, Somalia (2001–present). The Brown University Costs of War Project estimates 4.5 to 4.7 million deaths — direct and indirect — attributable to US post-9/11 military operations. This includes violence, disease, and the collapse of public health infrastructure from sanctions and occupation. The number is not contested by the Brown team; it is simply not reported.

Agent Orange. Between 1961 and 1971, the US sprayed approximately 20 million gallons of herbicide over Vietnam, Laos, and Cambodia. Approximately 60% was Agent Orange, which contained TCDD dioxin — a potent carcinogen and teratogen. The Vietnamese Red Cross estimates approximately 3 million Vietnamese suffering ongoing effects. Birth defects and elevated cancer rates in affected areas have been documented in second and third-generation descendants.

The manufacturers — Dow Chemical and Monsanto, principally — settled with US veterans for $180 million in 1984. They paid nothing to Vietnamese civilians. The US government funded some limited cleanup at Da Nang and Bien Hoa (approximately $300 million over decades). No compensation has been paid to Vietnamese civilian victims.

Napalm. Used systematically in Korea and Vietnam. The Phan Thi Kim Phuc photograph (1972) — a nine-year-old girl running naked from napalm burns, arms outstretched — briefly forced a fraction of America to look at what its weapons did to children. The image won a Pulitzer. The war continued for three more years.

Cluster munitions. Banned by the Convention on Cluster Munitions (2008), signed by 123 countries. The United States, Russia, and China are not signatories. The US transferred cluster munitions to Ukraine in 2023. Laos's UXO crisis — nearly 50 years of civilians and children killed by unexploded US cluster sub-munitions — is the direct long-tail of US refusal to be bound by prohibitions it helped inspire.

White phosphorus. Used in Fallujah, Iraq, in 2004. The US military initially denied it, then acknowledged use as an "incendiary weapon" while disputing the definition of "chemical weapon." Human Rights Watch and Amnesty International documented its use by Israel in Gaza with US-supplied munitions. White phosphorus burns at 2,760°F (1,516°C) and cannot be extinguished with water. Contact with skin causes burns down to the bone.

Depleted uranium. Used in armor-piercing munitions in Iraq in 1991 and 2003. A peer-reviewed study published in the Bulletin of Environmental Contamination and Toxicology (2010) documented elevated rates of childhood cancer and birth defects in Fallujah following the 2004 battles. Similar patterns were documented in Basra. The US government contests causation. The epidemiological evidence is strong; the political will to investigate is absent.

Scale context. The MOAB (GBU-43/B), the "Mother of All Bombs" — the largest non-nuclear weapon in the US arsenal — yields approximately 11 tons of TNT-equivalent. Hiroshima was approximately 15,000 tons. So the largest conventional bomb the US has ever used is roughly 1/1,500th of Hiroshima. The comparison is not to diminish — it is to register the scale of what was dropped on two Japanese cities in two days in 1945.

No US official has been charged with a war crime for any bombing campaign the United States has conducted since 1945. Not Korea. Not Vietnam. Not Laos. Not Cambodia. Not Iraq. Not Afghanistan. Not Yemen. Not Syria. Not Somalia.

No reparations have been paid to Vietnam, Laos, Cambodia, Korea, Iraq, Afghanistan, or Japan beyond limited, bilateral, and largely insufficient cleanup programs. The Vietnamese Red Cross's 3 million Agent Orange victims have no legal claim against Dow or Monsanto in US courts; federal courts have held that US-citizen veterans and foreign nationals cannot bring the same suit.

The corporations that built the weapons — Boeing, Lockheed, Raytheon, General Dynamics, Northrop Grumman, L3Harris — have faced no criminal liability for any campaign in which their products were used. They receive new contracts in each cycle, at increasing budgets, with the enthusiastic bipartisan support of the Congress their lobbying funds.

In 2002, the US Congress passed the American Service-Members' Protection Act — known informally as the "Hague Invasion Act." It authorizes the President of the United States to use military force to liberate any US or allied military personnel held by the International Criminal Court. The US has built into statute a unilateral right to invade the Netherlands to prevent its own prosecution. The law is still on the books.

Hiroshima and Nagasaki are not the aberration. They are the opening chapter of a continuous policy in which the United States has used aerial bombardment as a primary instrument of foreign policy for eighty years.

The dead are uncounted in American public consciousness because they were never American. The people who authorized the bombs and the campaigns that followed were decorated, promoted, awarded peace prizes, and died in their beds. Henry Kissinger died on November 29, 2023, at age 100, having spent his final decades collecting consulting fees from Fortune 500 boards. His conservative death toll — Cambodia, Vietnam's continuation, Bangladesh, East Timor, Chile, Argentina — is estimated at 3 to 4 million people. He was never charged with anything.

The weapons are sold by the same families and corporations who fund the politicians who write the rules under which the weapons are used. The contractor who built the bomb also built the next bomb. The lobbying budget is a line item on the same financial statement as the R&D budget. There is no separation between the manufacturer of the weapon, the selector of the target, and the author of the law that immunizes both.

The American public has been told, repeatedly, across eight decades, to stop worrying about the people under the bombs because they were the enemy, because the alternative was worse, because the cause was just, because it was complicated, because it's over. It is not over. The Laotian child who steps on a cluster munition in 2026 has no reason to believe it's over.

The bomb run is continuous. The silence about it is policy.