The primary considerations that the planners had to deal with were time and casualties—how they could force Japan's surrender as quickly as possible with as few Allied casualties as possible.
De primære betragtninger, som planlæggerne var nødt til at beskæftige sig med, var tid og tab, og hvordan de kunne tvinge Japans overgivelse så hurtigt som muligt med så få allierede tab som muligt.