Central in the investigation was that they advocated for investing in nuclear weapons based on plutonium rather than on highly enriched uranium (U-235) since the uranium option turned out to be technically more difficult.
Centralt i utredningen var att man förordade att satsa på kärnvapen baserade på plutonium, snarare än på höganrikat uran (235U), eftersom uranalternativet framstod som tekniskt svårare.