This is close to reality. US constantly use symmetrical approach for defense, because democracy have so huge economy advantage over totalitarian countries, so

This is close to reality. US constantly use symmetrical approach for defense, because democracy have so huge economy advantage over totalitarian countries, so will win any direct competition. Russia on other side, constantly looking for superweapon, which will give military advantage without prohibitively large spending's. This even got name - asymmetrical approach. Examples of asymmetrical approach, are German U-boats, later soviet submarines with ICBMs, ICBMs, railway based ICBMs and auto based, "Poseidon" nuclear powered torpedo. BTW, many examples of asymmetrical approach, are considered non-ethical in Western world.