Hiroshima, the headquarters of the 2nd General Army and Fifth Division and a port of embarkation, was the primary target of the mission, with Kokura and Nagasaki as alternatives.
Hiroshima era o obxectivo primario da misión por ser o cuartel xeral do 2º Exército Xeral, da 5ª División e un porto de embarque, con Kokura e Nagasaki como alternativas.