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How to prepare atomic bombs for Hiroshima and Nagasaki

The U.S. National Archives and Records Administration has completely removed the top secret “voucher” from the RG-77-BT photo collection stored at the National Archives branch of College Park, Maryland.

Thus, dozens of unique photographs taken during the preparation for the atomic bombing of Japanese cities, which took place in the spring and summer of 1945 on Tinian Island in the Pacific Ocean, became available.

Before that, one could only see models of two atomic bombs (they were declassified in 1960), the infamous B-29 bomber (Enola Gay), which dropped the bomb on Hiroshima and some photos from the now declassified RG-77-BT collection.

The picture is not a museum layout, but the very atomic bomb Little Boy, which sent 80,000 people to hellfire, and then killed about 120,000 more Hiroshima residents in the next five years. It is placed on the test bench during the test of the automatic systems.

01. "Kid" is inspected by the participants of the project A (Alberta), geophysicist Francis Birch (left) and physicist Norman Ramsey.

Как готовили атомные бомбы для Хиросимы и Нагасаки

02. And this is the atomic bomb Fat Man (Fat Man) assembled and ready for use, which destroyed Nagasaki. Its seams are carefully filled with sealant and painted to maintain stable operation of the internal systems of the structure.

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

05. Many of the project A participants left their autographs on “Fat Man”.

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

07. Vice Admiral William Purnell wrote: "The Second Kiss for Hirohito" (Japanese Emperor).

Как готовили атомные бомбы для Хиросимы и Нагасаки

08. "Fat Man" is prepared for transportation to the airfield.

Как готовили атомные бомбы для Хиросимы и Нагасаки

09. The atomic bomb "Fat Man" is being taken to the airfield.

Как готовили атомные бомбы для Хиросимы и Нагасаки

10. To load bombs in the bombers were made two special pits. Now they are covered with glass caps and turned into museum pieces.

Как готовили атомные бомбы для Хиросимы и Нагасаки

11. The process of loading "Fat" in the pit.

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

sixteen.

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

18. B-29 bomber (commander Charles Sweeney, 25 years old) is preparing to take on the atomic bomb "Fat Man".

Как готовили атомные бомбы для Хиросимы и Нагасаки

19. "Fat Man" gently lifted into the bomb compartment of the B-29.

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

21. And so loaded into the B-29 Enola Gay (commander Paul Tibbetts, 30 years old) atomic bomb "Baby".

Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

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Как готовили атомные бомбы для Хиросимы и Нагасаки

28. What happened next, you know. On August 6, at 1:45, the B-29 bomber, commanded by the commander of the 509th mixed aviation regiment, Colonel Paul Tibbetz, carrying the Malysh atomic bomb, took off from the island of Tinian, about 6 hours from Hiroshima. The Tibbetts aircraft flew in the compound, which included six other aircraft: a spare aircraft ("Top Secret"), two controllers and three scouts ("Jebit III", "Full House" and "Street Flash"). The commanders of reconnaissance aircraft sent to Nagasaki and Kokure reported significant cloud cover over these cities. The pilot of the third reconnaissance aircraft, Major Iserly, found out that the sky above Hiroshima is clear and sent the signal "Bomb the first target." At 08:15 local time B-29, being at an altitude of over 9 km, produced an atomic bomb dropped on the center of Hiroshima. The fuse was set at a height of 600 meters above the surface; the explosion, equivalent to 13 to 18 kilotons of TNT, occurred 45 seconds after the reset.

At 2:47 on August 9, an American B-29 bomber, commanded by Major Charles Sweeney, carrying the Fat Atomic Bomb aboard, took off from Tinian Island. Overcast over the city of Kokura did not allow to make aimed bombing and after three unsuccessful visits to the target, at 10:32 B-29 headed for Nagasaki. “Fat Man” was dumped almost blindly, besides, the plane had technical problems with the fuel pump and did not have enough fuel for an additional call. The explosion occurred at 11:02 am local time at an altitude of about 500 meters. The power of the explosion was about 21 kilotons.

In the photo: "mushrooms" from atomic explosions over Hiroshima (left) and Nagasaki.

Как готовили атомные бомбы для Хиросимы и Нагасаки

The architect of the Hiroshima Chamber of Commerce and Industry’s Exhibition Center, who now knows the whole world under the name “Atomic Dome”, was the Trade Attache of Czechoslovakia Jan Letzel (pictured). He lived for several years in Japan, where he designed several buildings in an unusual European style for the Japanese. In addition, Lettsel helped Czechoslovak legionnaires who were returning from Vladivostok, providing them with the opportunity to return to Europe by ship. The building of the Exhibition Center was located 160 meters from the epicenter of the atomic bomb explosion and one of the few survived, becoming now one of the main anti-war symbols in the world.

Как готовили атомные бомбы для Хиросимы и Нагасаки
Как готовили атомные бомбы для Хиросимы и Нагасаки

PS This year marks the 70th anniversary of the atomic bombing of Japanese cities. The inhabitants of Hiroshima and Nagasaki were the first and, fortunately, the last victims of the use of nuclear weapons on Earth. Since then, much has changed, the world experienced a monstrous nuclear arms race, was on the verge of a new conflict, but was able to get out of this madness. Unfortunately, now new "hawks" have begun to promote the theme of global war. The world is once again threatened with nuclear weapons by not only crazy Russian "patriots" who have come off the coils from a militarist intoxication, but also by the top leadership of Russia. All this causes the most serious concerns for the future of Europe and the whole world.