For level 3 requirements in the Soviet Union and Germany, better ground-attack aircraft are needed.
At present, the United States has SBD and P51.
Japan has the Type 5 fighter and Comet.
The Soviet Union only has P40 or Yakovlev 9K and does not have ground-attack aircraft.
Germany only has Stuka and does not have ground-attack fighters.
Germany and the Soviet Union need more ground-attack aircraft, at least to be able to compete with the United States and Japan.
In the War Thunder game
The Soviet Union had a large number of attack aircraft that could carry two 250-kilogram bombs each.
Germany also has a large number of fighter jets that can carry one 250-kilogram payload.
Italy also has a large number of fighter jets that can carry 1 x 250 kg, 2 x 100 kg, or even 1 x 500 kg.
There are numerous options.
It would be best to include the technology tree.
If you add activity content rewards or [the Gold Team], it can also be accepted. Although this is not the best outcome.