The main issue was for them to detonate in US soil.
japan surrendered
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.
Japan bombed Hawaii. (pearl harbor)
End WW2, ASAP.
By B-29 Superfortresses using Norden Bombsight.
A written warning to Japan with options.
To end the war ASAP!
To end the war and to collapse Japan's means to make war.
The decision was the President's. He stated that he wanted to put an end to Japan's capacity to go to war.
He stated that he wanted to end the war and collapse Japan's means to make war.
Japan was not going to surrender in WWII and supposedly they were developing their own super weapon. President Harry S. Truman didn't want to take any risks and wanted to end the war immediately. He sent one nuke and Japan didn't surrender he sent a bigger nuke and they surrendered.
Saving the lives of the soldiers (mostly marines) needed to invade Japan.