Oppenheimer alaga omuzannyi w'ekifaananyi kino ng'omuzannyi omuzira, eyakola bbomu ya hydrogen (H-bomb) naye ekyewuunyisa Zuberi teyalaga kujjusa kwonna mu lujjudde olw'okufiirwa kwa Japan. Naye wadde nga firimu eno eyanguyidde mu bulambirira, ebifaananyi by'omuliro ogwali mu Hiroshima ne Nagasaki tebisangibwa.