|
>But you can't tell me what those are. The only excuse you
>made was to leave the emperor in power, and that was not
>allowed to happen. What others were there?
The following is a list of
alternatives proposed by
Rufus E Miles Jr., a former
senior fellow of the Woodrow
Wilson School, Princeton Uni-
versity, and a former thirty-
year career official of the U.S.
government.
Strategy Number One: A Negotiated Peace
In the spring of 1945, evidence mounted that the capacity of the Japanese air force to defend its homeland against escalating bombardment had rapidly deteriorated. This information, accompanied by a sharp drop in losses of American planes and pilots, convinced Acting Secretary of State Joseph Grew that the Japanese would be open to a negotiated peace. Grew believed that the Japanese were so nearly beaten by the end of May 1945 that there was an excellent chance that they would capitulate soon thereafter if the unconditional surrender doctrine Truman had inherited from Roosevelt were publicly interpreted by Truman to allow retention of the Japanese Emperor -- the revered symbol of the thousand-year-old Japanese dynasty. Grew was the only official of Cabinet status or of high military rank with access to the President who had had lengthy experience in Japan (ten years as U.S. Ambassador there) and thus was able to assess the attitudes of Japan's ruling group. Grew sought to persuade Truman of his views on May 28, three weeks after V-E Day.
The timing was propitious in Grew's judgment since B-29s were causing enormous devastation throughout Japan. On March 29 they had rained incendiaries on Tokyo, killing and injuring more Japanese (83,000), it was later estimated, than did the Hiroshima bomb (70,000 -- 80,000). By the end of May, virtually all major Japanese cities had been attacked with incendiaries, disastrously impairing Japan's capacity to carry on the war. Truman, then President for only a month and a half, was impressed by Grew's arguments but thought it best to have him discuss his proposals with the Secretaries of War and the Navy and the Joint Chiefs of Staff. Grew did so on the following day, May 29.
By coincidence, on the same day on which Grew met with Truman, Harry Hopkins, Roosevelt's trusted international trouble-shooter, who had been called out of retirement by Truman to improve worsening relations with Stalin, was meeting in Moscow with the Soviet leader. Hopkins cabled Truman that "Japan is doomed and the Japanese know it. Peace feelers are being put out by certain elements in Japan and we should therefore consider together our joint attitude and act in concert about the surrender of Japan."
Grew's recommendation did not, however, come as a new idea to those present. The Joint Chiefs had been presented a month earlier with a report from their planning staff that contained the following statement: "The concept of 'unconditional surrender' is foreign to the Japanese nature. Therefore, unconditional surrender' should be defined in terms understandable to the Japanese who must be convinced that destruction or national suicide is not implied. This could be done at the governmental level by a 'declaration of intentions' which would tell the Japanese what their future holds. Once convinced of the inevitability of defeat, it is possible that a government could be formed that would sign and could enforce a surrender instrument."
Secretary of War Stimson and Secretary of the Navy James Forrestal seemed especially receptive to such a "declaration of intentions," but not eager to issue it immediately for reasons that were not clear to Grew. Stimson, almost totally preoccupied with the diplomatic and military implications of the atomic bomb, scheduled for test in early to mid-July, had been discussing the use of the bomb with Truman, including the probable need to make a crucial decision during the Potsdam meeting in late July. If the declaration of intentions were to be delayed until the bomb became a tested military weapon, the Japanese might be warned of its power while simultaneously being assured that "unconditional surrender" did not mean an end to the sovereignty of their nation or of their imperial dynasty. Because of the extreme secrecy of the "S-1 " -- the code for the atomic bomb -- Stimson could not reveal his reasons for counseling delay.
Within the Department of State, there was less agreement than there was in the War Department over the idea of redefining the unconditional surrender doctrine. Assistant Secretaries Dean Acheson and Archibald MacLeish argued against any change in the Roosevelt doctrine of total surrender, not only because they felt sure it would be very unpopular with the American public, but because they took a dim view of the Emperor and regarded him as having been a tool of the infamous Premier Tojo and his military clique, and even as a possible subject of war crimes prosecution. Both saw him as a stumbling block to the development of genuine democracy in Japan. Despite this opposition, Grew, with the support of his Far East expert, Eugene Dooman, persisted in his efforts. Yet he was to be disappointed. On the morning of June 18, Truman met with Grew and indicated that, while he was favorable to the idea of issuing a declaration of intentions to the Japanese to reassure them on the matter of their long-term sovereignty, he had decided to wait until the Potsdam conference a month later and issue it as a joint proclamation.
On the afternoon of the same day, President Truman held a meeting with the Joint Chiefs of Staff, Secretaries Stimson and Forrestal, and Assistant Secretary of War John McCloy to help prepare himself for the Potsdam conference. He wanted to be briefed on the invasion plan that the War Department had prepared for an assault on Kyushu, Japan's southern island, scheduled for November I . Toward the end of the discussion, Admiral William Leahy, the President's personal chief of staff, recommended modification of the unconditional surrender doctrine. The minutes of that meeting record the following exchange:
"Admiral Leahy said he could not agree with those who said to him that unless we obtain the unconditional surrender of the Japanese that we will have lost the war. He feared no menace from Japan in the foreseeable future, even if we were unsuccessful in forcing unconditional surrender. What he did fear was that our insistence on unconditional surrender would result only in making the Japanese desperate and thereby increasing our casualty lists. He did not think this was at all necessary.
"The President stated that it was with this thought in mind that he had left the door open for Congress to take appropriate action with reference to unconditional surrender. However, he did not feel that he could take any action at this time to change public opinion on this matter."
By July -- the month of the Potsdam conference with Truman, Churchill, and Stalin -- the momentum of Japan's peace party developed very much as Grew had predicted. On July 12, Foreign Minister Togo, at the Emperor's behest, instructed the Japanese Ambassador in Moscow, Naotake Sato, to inform Foreign Commissar Molotov that the Emperor wanted the war ended immediately and wished to send Prince Fuminare Konoye to Moscow with power to negotiate a peace on almost any terms, presumably short of the unacceptable sacrifice of the imperial dynasty. Ambassador Sato was rebuffed in his efforts to gain the cooperation of the Soviet Union as an intermediary, in large part because the Soviets were not eager to have Japan surrender before the U.S.S.R. could carry out its agreement, made at Yalta, to enter the war against Japan and claim its share of the spoils. On the next day, July 13, three days before the successful atomic test at Alamogordo, New Mexico, naval intelligence monitors intercepted and decoded the cables between Foreign Minister Togo in Tokyo and Ambassador Sato in Moscow. They read, in part:
Togo to Sato: "See Molotov before his departure for Potsdam. Convey His Majesty's strong desire to secure a termination of the war. . . . Unconditional surrender is the only obstacle to peace. . . .
Sato to Togo: "There is no chance whatsoever of winning the Soviet Union to our side and of obtaining her support on the basis set forth in your cables. . . . Japan is defeated. . . . We must face the fact and act accordingly. . . . "
Lewis Strauss, then special assistant to Secretary of the Navy Forrestal, recalled later that Admiral Redman, Chief of Naval Communications, brought him these intercepted messages on July 13, and that subsequent intercepts grew more desperate. Strauss said that as fast as they were received Forrestal sent them to Admiral Leahy, who was then with Truman in Potsdam. Forrestal had not been invited to attend the Potsdam conference but finally decided to go anyway, carrying with him the file of decoded messages, the last of which was dated July 25. Mentioning the imminence of a complete collapse, it instructed Ambassador Sato to go to any place that Molotov might designate, and while still maintaining "unconditional surrender" to be unacceptable, to state that Japan had "no objection to a peace based on the Atlantic Charter."
Immediately on Forrestal's arrival in Potsdam on July 28, he took the messages to the new Secretary of State, James F. Byrnes, who saw them "in detail" for the first time, although he had previously known of their existence and presumably the thrust of their content. In Strauss's words, "Forrestal was too late by forty-eight hours. The Potsdam Declaration -- the ultimatum to Japan -- had been dispatched on the twenty-sixth, and events were now in the saddle, riding the decision-makers." On the very day Forrestal and Byrnes were talking, Japan characterized the ultimatum with a unique Japanese word, mokusatsu, meaning "not worth of reply. " Although the ultimatum reassured the Japanese that they would remain a sovereign nation, it failed to assure them that they might keep their Emperor, and it promised stern justice to all war criminals. No mention was made of the atomic bomb.
Five days later, there was one last intercept. "The battle situation has become acute," it said, and concluded, "Since the loss of one day relative to this present matter may result in a thousand years of regret, it is requested that you immediately have a talk with Molotov. "
After the successful test of the atomic bomb on July 16, President Truman and his advisers felt sure that they had the means to end the war quickly without any concessions to or negotiations with Japan. And the Soviets had every reason to want to carry out their pledge to enter the war on or about August 8, thus staking out a share of the credit for the Pacific victory and the division of power in its aftermath. Upon Japan's rejection of the Allied ultimatum, the dynamics of the situation seemed to the decision-makers clearly to favor the prompt use of the new weapon.
As soon as Japan rejected the Allied demand on July 28, the Air Force had its green light. The Hiroshima bomb was dropped on August 6. The Soviet Union, as promised, declared war on Japan on August 8. The Nagasaki bomb was released on August 9. Japan sued for surrender on August 10, on the condition that they could keep their Emperor. The United States accepted Japan's conditional surrender on August 11, with certain stipulations. Three days later, Japan agreed to the stipulations. The war was over.
The Grew strategy, which had envisioned a successful American diplomatic effort to end the war by an offer and acceptance of a "conditional surrender" (the same condition that became the accepted basis for surrender in August) by the end of July, was subsequently considered by several people to have had more than an outside possibility of success. Among those who thought so in retrospect, in addition to Grew himself, were Hanson Baldwin, military analyst for The New York Times, and Robert J.C. Butow, author of Japan's Decision to Surrender. Especially significant was the view expressed by Secretary of War Stimson, as stated in his autobiography, co-authored with McGeorge Bundy. "It is possible," said Bundy, "in the light of the final surrender, that a clearer and earlier exposition of American willingness to retain the Emperor would have produced an earlier ending to the war. . . . But in the view of Stimson and his military advisers, it was always necessary to bear in mind that at least some of Japan's leaders would seize on any conciliatory offer as an indication of weakness." At another point Bundy writes: "Only on the question of the Emperor did Stimson take, in 1945, a conciliatory view; only on this question did he later believe that history might find that the United States, by its delay in stating its position, had prolonged the war."
Obviously, if the Grew -- Stimson approach had been tried and proved successful, the use of the atomic bombs would have been unnecessary and could have saved no lives. It might have brought the war to the same conclusion, possibly even before the atomic bombs were dropped and before the Soviet Union had time to enter the war against Japan.
Strategy Number Two: Intensified Bombing and Blockade Until November 1, 1945
This scenario is based on the assumption that the war might have continued with the use of conventional weapons during the period from early August until the Japanese surrendered, and that capitulation would have occurred prior to November 1, 1945 -- the date of the scheduled invasion of Kyushu. During this period, the United States would have tightened its sea blockade and intensified its air bombardment. This hypothesis brings into bold relief the deteriorating condition of Japanese defenses and the accumulation of evidence that Japan would have surrendered before the scheduled date for the invasion of Kyushu, even without the atomic bomb. The following excerpts from postwar official reports make this clear:
Admiral Ernest King, Commander-in-Chief, United States Fleet:
" the forces under Admiral Halsey's command had destroyed or damaged 2,804 enemy planes, sunk or damaged 148 Japanese combat ships, sunk or damaged 1,598 enemy merchant ships, destroyed 195 locomotives and damaged 109 more. In addition, heavy blows had been struck at industrial targets and war industries, effectively supplementing the bombings by B-29'(s. This impressive record speaks for itself and helps to explain the sudden collapse of Japan's will to resist."
General of the Army George C. Marshall, Chief of Staff:
"During July the super-bombers had steadily increased the scale of their attacks on the Japanese homeland. From the Marianas bases the B-29's averaged 1,200 sorties a week. Okinawa airfields which now occupied almost all suitable space on the island began to fill with heavy bombers, mediums and fighters which united in the aerial assault on the Japanese islands, her positions on the Asiatic mainland, and what was left of her shipping. Fighters from Iwo Jima swept over the Japanese islands, strafed Japanese dromes and communications and gave the superbombers freedom of operation. The Third Fleet augmented by British units hammered Japan with planes and guns, sailing boldly into Japanese coastal waters. The warships repeatedly and effectively shelled industries along the coasts. . . . These mighty attacks met little opposition."
The devastation of Japan prior to the bombing of Hiroshima was confirmed by the Strategic Bombing Survey established by Stimson to assess the effects of the massive air attacks. The 1,000 members of the Survey interviewed hundreds of Japanese military officers, government officials, political and economic leaders, and others, and reviewed great numbers of Japanese records. At the end of this lengthy process, the conclusion of the Survey was:
Based on a detailed investigation of all the facts and supported by the testimony of the surviving Japanese leaders involved, it is the Survey's opinion that certainly prior to 31 December 1945, and in all probability prior to I November 1945, 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.
These and other reports were available to Stimson, Churchill, Truman, and others when they wrote their memoirs. Yet they showed no evidence of having paid any attention to those records. The mass of data presented by the Survey and its conclusions are simply not compatible with the clear implication of these men that without the use of the atomic bombs as many as a million American casualties or, alternatively, a half-million deaths might have had to be paid in battles in the heartland of Japan. It seems probable that what these memoirists meant to convey was that, at the time of the decision, they thought that this number of losses could be avoided by the use of atomic weapons, although later information made them realize that Japan was closer to surrender than earlier U.S. intelligence assessments had led them to believe. But that is not what they said. They had a responsibility to make this distinction clear. Even had they done so, however, many unanswered questions and inconsistencies would have remained.
According to this second scenario, based on information available after the war's end, American casualties would have been, at most, in the low thousands, with the number of deaths almost certainly not exceeding 5,000 and probably considerably less. So great was the destruction of Japanese air power that American aircraft losses from bombing missions over Japan dropped from a high of 5.7 percent in January to 0.4 percent in July. Naval losses would also have been extremely light, judging from the reports of Admiral King. Since Army ground forces would not have been engaged at all, losses would have been either zero or negligible.
In the light of General Marshall's and Admiral King's assessments of the extremely weak condition of Japan during the last months of the war, and in view of the conclusions of the Strategic Bombing Survey that Japan would in all probability have surrendered before November 1, 1945, and considering the shock to Japan of the Soviet declaration of war on August 8, this second scenario seems, in retrospect, to have been the more probable one in the event the atomic bombs had not been available or had deliberately not been used.
It can only be a matter of conjecture as to how long it would have taken Japan to surrender after the Soviet Union's declaration of war, and as to how many casualties would have been inflicted on Japanese forces and civilians pending final peace terms, but the evidence strongly suggests that surrender would have come quickly. The shock and demoralization of Japanese military officers that resulted from the Soviet attack was similar in effect to the Hiroshima bomb, in the opinions of Lt. General Seizo Arizue, chief of G-2 of the Japanese Army General Staff, and Genki Abe, Home Minister in the Japanese Cabinet, according to their postwar statements. Especially since the Emperor was then taking an unprecedented role in seeking a prompt end to the war, it seems highly probable that, even by itself, the sudden Soviet assault would have shifted the Japanese government's intense surrender efforts from communicating with the Soviets to negotiating with the United States via Switzerland, as occurred after the double shock of the atomic bombings and the Soviet entry into the war.
Key U.S. officials not only wanted to save American lives, but, as Army historian Louis Morton observed, ". . . some responsible officials feared the political consequences of Soviet intervention and hoped that ultimately it would prove unnecessary. " Any tentative peace offer made to the United States through Switzerland, therefore, would have been immediately pursued and concluded, especially since the Secretaries of War and Navy, Stimson and Forrestal, and their Joint Staff Planners had come to the conclusion in April that a statement to Japan that they could retain their sovereignty -- and by implication their Emperor -- might in their dire circumstances, end their resistance.
Because relations between the United States and Japan have followed so cordial a path for four decades, there has been an effort, especially of late, to make it appear that if the two atomic bombings had not occurred, the Japanese people would have suffered massive slaughter or starvation, or both,. in an Allied invasion of Honshu, and that, from the Japanese standpoint, the bombings might properly be viewed as benign. This thesis was advanced two years ago by Dr. Taro Takemi, president of the Japanese Medical Association, and by Edwin O. Reischauer, former U.S. Ambassador to Japan. The evidence presented here, plus evidence from Butow's Japan's Decision to Surrender, makes their argument seem extremely questionable.
Strategy Number Three: A November 1945 Attack on Southern Kyushu
This scenario assumes that, despite a tight naval blockade and extremely heavy bombing for three months after early August, as well as critical losses against Soviet armies in Manchuria and possibly Korea, the Japanese still would have wanted to hold out and would have been able to do so, and that they would not have surrendered until after the invasion of Kyushu, scheduled to begin on November 1, 1945. This scenario further assumes that the invasion would have proceeded according to the War Department's plan and that within thirty days the United States would have won the battle for southern Kyushu. This represents the most pessimistic of the possibilities envisioned by the Strategic Bombing Survey.
The meeting at which Truman gave his approval to the invasion plan, if that became necessary, was an important one. It was convened on June 18, 1945, with the Joint Chiefs of Staff, the Secretaries of War and Navy, the Assistant Secretary of War, and Admiral Leahy, the President's personal chief of staff. This was the same meeting at which Admiral Leahy unsuccessfully advocated modifying the unconditional surrender doctrine to permit the retention of the Emperor. Following are the other salient points of the meeting.
First, the presentation by General Marshall related solely to OLYMPIC, the plan to invade Kyushu. Neither then nor at any other time did the Joint Chiefs discuss with Truman a plan for the invasion of Honshu.
Second, all projections of losses were in terms of casualties. No figures on expected deaths were presented or discussed. According to the minutes, casualties for the first thirty days on Kyushu, by the end of which U.S. forces would have a firm hold on the southern half of Kyushu (separated from the north by a mountain range), with full control of its various airfields, "should not exceed the price we have paid for Luzon" -- 31,000 casualties. (Later reports showed that the Luzon casualty figures included 7,765 deaths, a ratio of 25 percent deaths, somewhat higher than the 20 percent ratio in 1944 and 1945 in the Pacific.) When questioned by Admiral Leahy about whether the 31,000 estimate might be too low in view of the reportedly heavier than expected casualties on Okinawa, Admiral King replied that he thought that a realistic casualty figure for Kyushu would lie somewhere between the Luzon losses of 31,000 and the estimated but not finally determined Okinawa casualties of 41,700. The final count for Okinawa casualties turned out to be 65,631, of which 7,374 were deaths. This confirmed Admiral Leahy's information about the much heavier casualties than expected on Okinawa, but not a greater number of deaths. Upon the unanimous recommendation of the Joint Chiefs of Staff, Truman gave his approval to the plan.
Third, the War Department plan, and General Marshall's comment on it, suggested strongly that by the time southern Kyushu was in Allied hands, Japan would surrender.
Fourth, according to the minutes, "The record of General MacArthur's operations from I March 1944 through 1 May 1945 shows 13,742 U.S. killed compared to 310,165 Japanese killed, or a ratio of 22 to 1."
Fifth, President Truman expressed the hope, at the meeting's end, that there would be a possibility of preventing an Okinawa from one end of Japan to the other, emphasizing his expression of concern, when the meeting was called, to minimize American casualties.
Finally, the meeting did not reveal or discuss any alternative to the invasion plan.
Top naval and air corps officers believed that Japan could be forced to surrender through the strangulation of its military machine and its economy by naval blockade and air bombardment. That view was not presented at this meeting because these officers had been persuaded by their Army ground force counterparts to think of the conquest of southern Kyushu as the final military engagement in such a strangulation strategy, to be accomplished at a tolerable cost -- 31,000 casualties, 7,000 -- 8,000 deaths, the price paid for Luzon. The discussion would have been very different if the War Department had sought preliminary approval of the invasion of Honshu, which both the Navy and the Army Air Force regarded as sure to be more expensive in human losses than was necessary.
If this "worst-case scenario" had occurred -- that is, if the atomic bomb had not worked or had not been used, and if Japan had somehow held out beyond November 1, 1945, and if the successful invasion of southern Kyushu had been carried out, and if the Russians had entered the war in August (as they did) and engaged the Japanese in Manchuria and Korea, and if at that point the Japanese had surrendered -- then a reasonable estimate of American deaths almost surely would have been not more than 20,000 and probably less than 15,000 (5,000 for air and naval losses before the invasion, not more than 10,000 during the invasion of Kyushu, and an added allowance of 5,000 for unforeseen losses).
Strategy Number Four: A Spring 1946 Invasion of Honshu
The fourth strategy is the one we began with -- that which Stimson, Churchill, and Truman implied would have been the only alternative to the Hiroshima and Nagasaki bombings. It is based on the following assumptions:
That even after the defeat of Japanese forces on southern Kyushu, and after seven months of ever-increasing bombing of Japan during the fall and winter of 1945 -- 46, including three months of bombing and strafing from the close-in airfields of Kyushu, Japan could and would have held out;
That after the devastation of Japan's navy, merchant marine, and air force, Japan could and would have held out;
That after seven months of progress by Soviet armies that, in all probability, would have occupied all of Manchuria and Korea and been poised and eager to aid in the assault on Honshu from the west and north, Japan would still have continued to struggle;
That after the demolition of Japan's industrial capacity, essential to replace lost military equipment, it would have had the wherewithal to inflict extremely heavy casualties on an enemy that was superbly equipped and that completely controlled the air over the battlefields;
That the Japanese people, a large portion of whom would by then have been at or near the starvation level, would have been able and willing to continue to support the war;
That a nation whose government and Emperor were seeking, almost frantically, in July 1945 to work out terms of surrender would have kept fighting under hopeless circumstances;
And finally, that such a devastated and thoroughly beaten nation, whose armies in the Pacific had taken losses of 22 times as many deaths as they had inflicted on General MacArthur's forces during their march toward Japan in 1944 and 1945, could have inflicted some 500,000 deaths -- 70 percent more than the 292,000 the United States armed forces lost in all of World War II -- on the world's best-equipped army, navy, and air force.
In addition to these assumptions, this scenario asks that we believe that after the conquest of Kyushu, at a cost of under 15,000 deaths and probably no more than 7,000 -- 8,000, and after all of the above conditions had been realized, if President Truman had been presented with a plan for the invasion of Honshu that was estimated to cost half a million American deaths and many more Japanese troops, he would have approved it. It does not seem credible.
The puzzle is especially confounding when one seeks to determine where Stimson's figure of a million potential casualties -- the figure he first used in his 1947 Harper's article -- came from. There seems to be no evidence that any systematic and thoughtful effort was ever made by the War Department to estimate what it would cost in casualties or lives if Honshu were invaded. One is forced to conclude that Stimson's figure must have been an "off-the-top-of-the-head" estimate made in the early spring of 1945, before the War and Navy departments realized how rapid was the deterioration of Japan's capacity to resist, and then uncritically repeated on various occasions after the situation had radically changed.
One partial and plausible answer to the puzzle may be found in an obscure letter that Truman wrote on January 12, 1953, eight days before he left office. In reply to an inquiry by Professor James C. Cate, a former Air Force historian then at the University of Chicago, Truman said, "I asked General Marshall what it would cost in lives to land on the Tokyo plain and other places in Japan. It was his opinion that such an invasion would cost at a minimum a quarter of a million American casualties. and might cost as many as a million, with an equal number of the enemy. The other military men agreed." Here, Truman talks of casualties, as Marshall surely would have. But if we use the Pacific ratio of deaths to casualties, Marshall is estimating a minimum of 50,000 American deaths and a possibility of as many as 250,000, quite different from the figures used by Truman two years later in his autobiography. Marshall's estimate in this version, it should be noted, was in response to Truman's specific question as to what it might cost to conduct a massive invasion of Honshu, and makes no mention of any discussion as to whether circumstances had by then changed to make the need for such an invasion very remote and its advisability even more questionable. One of Marshall's biographers, Forrest Pogue, believes that by then Marshall felt sure that Japan would capitulate before such an invasion could occur. This was also the view of Brigadier General George A. Lincoln, one of the Army's top planners.
Perhaps the strangest part of this last scenario is that the participants in the decision-making process -- those who wrote their memoirs and used these estimates of lives that may have been saved by the use of the atomic bombs, especially Secretary Stimson in 1947 and President Truman in 1955 -- did not seem to realize either its extreme unlikelihood or the implication that they and General Marshall would have agreed to such an invasion of Honshu if they actually believed that a half-million American deaths might eventuate.
Strangulation of Japan without the invasion of Honshu would surely have been tried first. Even more likely, Truman would have acted upon the belief of Grew, Stimson, Forrestal, and the Joint Chiefs of Staff that the unconditional surrender doctrine could and should be tempered enough to negotiate a conditional surrender that would end the war without an extremely costly invasion -- the same conditional surrender that did end the war on August 14.
Why Truman used the figure of half a million American deaths prevented seems something of a mystery at first. He never approved a plan that would have involved such a mutual massacre and, beyond any reasonable doubt, he never would have. In psychological terms, however, such an estimate of potential American losses is not mysterious. The use of these figures by Truman and others can be explained by a subconscious compulsion to persuade themselves and the American public that, horrible as the atomic bombs were, their use was actually humane inasmuch as it saved a huge number of lives. The larger the estimate of deaths averted, the more self-evidently justified the action seemed. Exaggerating these figures avoided, in large part, the awkward alternative of having to rethink and explain a complex set of circumstances and considerations that influenced the decision to drop the bombs.
Epilogue
THIS analysis points strongly to the conclusion that the number of American lives saved as a result of the dropping of the two bombs was, with a high degree of probability, not more than 20,000 and was quite probably considerably less. This is not a judgment as to whether the decision to drop the bombs was a sound decision on other grounds. What it says is that the traditional rationale for the decision -- that half a million American lives might have been lost in an all-out invasion of Japan had the bombs not been used-simply does not hold up under careful examination, and that the action must be explained in some other way.
Truman and Stimson offered succinct and corroborating versions of the basic reason for the decision:
Truman: "Let there be no mistake about it. I regarded the bomb as a military weapon and never had any doubt that it should be used. The top military advisers to the President recommended its use, and when I talked to Churchill he unhesitatingly told me he favored the use of the atomic bomb if it might aid to end the war. "
Stimson: "In 1941 and 1942 they were believed to be ahead of us, and it was vital that they should not be the first to bring atomic weapons into the field of battle. Furthermore, if we should be the first to develop the weapon, we should have a great new instrument for shortening the war and minimizing destruction. At no time, from 1941 to 1945, did I ever hear it suggested by the President, or by any other responsible member of the government, that atomic energy should not be used in the war.'
In the minds of most of the top military and civilian officials of the government, the decision made by Roosevelt in 1942 to develop the atomic bomb carried with it the implicit intent to use it as soon as it became available if it would shorten the war. There was no need to take into account other considerations. The question was not whether the bomb should be used, but how. Its legitimacy to gain a quick end of the war was taken for granted. That this was the most powerful single influence in the decision to use the bomb seems highly probable. Like all the new and more lethal weapons in history, the atomic bomb was , its own imperative.
That there were other influential considerations, however, there can be no question. The most powerful of these concerned immediate relations with the Soviet Union. After the successful test of the first bomb on July 16, while Truman, Churchill, and Stalin were meeting in Potsdam, it became evident to the American delegation that this new weapon -- as an actuality, not a scientific forecast -- had suddenly metamorphosed the strategic situation. From the Cairo Conference in November and December 1943, President Roosevelt and General Marshall, and later President Truman, had been eager to have the Soviets help the United States defeat Japan. As Truman and Marshall left for Potsdam, it was still one of their major purposes to gain a renewed commitment from Stalin that the Soviets would shortly declare war against the Japanese empire. However, after the full report of the effects of the atomic blast at Alamogordo reached Potsdam on July 21, estimating that the energy generated was the equivalent of 15,000 to 20,000 tons of TNT or more, American officials realized that they had the means to end the war very quickly without help from the U.S.S.R. and before the Soviets could effectively stake a claim for the joint occupation of Japan, as they had done in Germany, and otherwise gain political and military advantages in East Asia that might go beyond the Yalta agreement. Harry Hopkins had reported on May 28 that Stalin expected to participate in the joint occupation and administration of Japan. A less appetizing prospect could hardly be imagined by Truman. In retrospect, it seems completely understandable that, if the bomb were to be employed at all, its most advantageous use would be as early as possible. Truman's concern is well illustrated by a brief instruction from him to General Marshall within hours after the United States had accepted Japan's conditional surrender on August 11. Truman ordered the War Department to move immediately to occupy a major Korean port and a major port on the Chinese coast, provided they could get there ahead of the Soviets.
The combination of the unquestioned legitimacy of the bomb as a military weapon and the double rationale for using it quickly -- its shock value to end the war abruptly and save whatever the number of lives, and its effectiveness in forestalling the Soviets from what might be large military gains and corresponding political demands in East Asia -- were almost surely strong influences on Truman when he made his decision in Potsdam. To fault him, in hindsight, for that decision would be to ignore the circumstances and atmosphere that surrounded the decision. The more appropriate question is:
Why were the circumstances and atmosphere not conducive to terminating the war without the onus being placed on the United States for the legitimization of nuclear weapons in the arsenals of the world?
For nearly four decades, the belief that the Hiroshima and Nagasaki bombs averted hundreds of thousands of American deaths -- far more than those bombs inflicted on the Japanese -- has been a part of accepted history. It was this judgment, more than any other factor, that seemed to give legitimacy to the American use of nuclear weapons. Discovering that this premise was false should help to stimulate a hard rethinking of other premises of U.S. nuclear weapons policies.
(c) 1985 by the President and Fellows of Harvard College and of the Massachusetts Institute of Technology.
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The Rand (Paul or Ayn) philosophy, putting private property rights at
the same level of human rights, equates the status of things with the
status of human beings. If property is considered equal
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