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In August 1945 the US had three (3) atomic bomb weapons.
The test bomb nicknamed "the Gadget"( a FAT MAN design type) was detonated at the TRINITY test site at Alamogordo Air Base , NM on 16 July 1945 (blast yield of 18.6 kilotons).
Two weapons, code named for the types of bomb designs and not the weapons themselves, were a LITTLE BOY ( a MARK 1; bomb L-11) uranium U-235 bomb dropped on Hiroshima on 06 Aug 1945 (blast yield of 12-16 kilotons) called Operation: CENTERBOARD I and a FAT MAN (a MARK 3; bomb Y1561) plutonium Pu-239 bomb dropped on Nagasaki on 09 Aug 1945 (blast yield of 20 kilotons) called Operation: CENTERBOARD II. The third bomb also a FAT MAN (MARK 3) intended for Kokura on 19 Aug 1945 Operation: CENTERBOARD III was not used. Niigata and Yokohama were the next two (2) of the 17 (seventeen) targeted Japanese cities not bombed. Tokyo was considered a target city only of last resort since the Emperor, the Supreme War Council, the Prime Minister and Cabinet, and the Imperial Army and Navy General Staffs would have to survive to order an unconditional surrender.
The US had plans to manufacture and assemble one (1) more LITTLE BOY U-235 uranium bomb and up to twelve (12) additional FAT MAN Pu-239 plutonium bombs to drop on the targeted Japanese cities before the invasion of Japan code named Operation: DOWNFALL on 01 Nov 1945, but the surrender of Japan 14 Aug 45 (V-J Day) halted production and assembly of further atomic weapons until the Operation: CROSSROADS tests in June 1946.
Sources:
Pincher - D. A. Rosenberg 1989
Silverplate Bombers - R. H. Campbell 2005
The Decision to Use the Atomic Bomb - G. Alperovitz 1995
Making of the Atomic Bomb - R. Rhodes 1987
The General and the Bomb - W. Lawren 1988
Now It Can Be Told - L. Groves 1983
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What were the two cities that the US dropped atomic bombs on?
The U.S. droped Atomic Bombs on the cities of Hiroshima and Nagasaki in Japan.
Why did they stop using atomic bombs?
If you are referring to WW2, then the US stopped using atomic bombs on Japan because Japan agreed to surrender. Had they not, the US had plans and production setup to drop a total of 23 atomic bombs on Japan in 1945.
Which Allied leader ordered the dropping of the atomic bombs?
Harry Truman authorized the use of atomic bombs against Japan.
Who was the US group that built the atomic bombs?
The Manhatten Project was the orginization that developed the atomic bomb.
In what war were the atomic bombs dropped?
Atomic bombs were dropped in WWII
How many atomic bombs did the us drop?
2
Did japan believe the us had the atomic bombs?
No. The US gave them cryptic messages about the bombs and never told them they had atomic bombs.
What are injustices of the US dropping the atomic bombs?
Total war means atomic bombs.
Where did the us drop atomic bombs?
The US has dropped atomic bombs in 1945 on two Japanese cities, Hiroshima and Nagasaki.
Why did the US decide to drop two atomic bombs on china?
the US decide to drop two atomic bombs on Japan, not china
Dates that the A-Bombs dropped in the US?
No Atomic bombs have even been dropped ON the US.
How many Atomic bomb attacks were there?
Atomic bombs have only been used in combat twice. The US dropped two bombs, one on Nagasaki, one on Hiroshima.
What is after the us dropped the atomic bombs?
The US won the war.
What were the two cities that the US dropped atomic bombs on?
The U.S. droped Atomic Bombs on the cities of Hiroshima and Nagasaki in Japan.
Where did the US drop an atomic bomb in 1944?
Noplace, the US did not have any atomic bombs in 1944. Nobody had atomic bombs in 1944.
Why did they stop using atomic bombs?
If you are referring to WW2, then the US stopped using atomic bombs on Japan because Japan agreed to surrender. Had they not, the US had plans and production setup to drop a total of 23 atomic bombs on Japan in 1945.
How many atomic bombs does the US produce per year?
At this time (2012), none. Neither does Russia. Existing bombs are just refurbished.
