Due to the lack of time on hand and the alarming weapons developments, the inventor is contacted directly to give us updated plans. He comes back a short time later with the design for the MS-1.
A prototype is built and tried. It proves satisfactory. The Red Army orders about one hundred tanks.
The Siberian Pile Facility is completed. The scientists set up their equipment and being testing. One of the scientists devised methods of separating nuclear fuel, their methods are thermal, electromagnetic, and gaseous diffusion. Resources are allocated to construct test sites to see if any of the processes work. If they do, refineries will be constructed.
Pile tests of uranium samples show promising results. Control rods and fuel rods have been invented in the utmost secrecy. Their design is highly classified and property of the state.