Mushure mekuputika kwebhomba iri, nyika yeUnited States yakatanga kugadzira mabhomba maviri makuru eatomu: rimwe raiitwa nehuraniyamu (raiva nezita rekuti "Little Boy") raiva nehuraniyamu yakasimbiswa zvikuru, rimwe raiitwa neplutonium (ona Trinity test uye "Fat Man") raiva neplutonium yakabva kuuranium-238.
Zviuru makumi mashanu