This is how the USSR tech tree looks like from tier VIII upwards now.
https://pp.userapi.com/c621703/v621703488/8a8ce/OogBfXnm5f8.jpg
This is how the USSR tech tree looks like from tier VIII upwards now.
https://pp.userapi.com/c621703/v621703488/8a8ce/OogBfXnm5f8.jpg