N'oge Agha Ụwa nke Abụọ, United States mepụtara ụdị bọmbụ atọm abụọ: otu nke e ji uranium emepụta (nke a kpọrọ "Little Boy") nke nwere uranium nke a na-eme ka ọ dịkwuo mma, nke ọzọ bụ nke e ji plutonium emepụta (lee ule Trinity na "Fat Man") nke plutonium sitere na uranium-238. Ngwaọrụ Little Boy nke e ji uranium mee bụ ngwá agha nuklia mbụ e ji lụọ agha mgbe a gbawara ya n'elu obodo Japan nke Hiroshima na 6 Ọgọst 1945.
Iri puku ise