The War We Do Not Want
In 1950, Collier's had a special issue with this title about a "future war" between the Soviet Union and the West. It ended with an Allied occupation of the areas between the 1938 and 1945 boundaries, and an area around a city renamed "St. Petersburg". Moscow had been destroyed in a nuclear attack.
One of the stories in the magazine described an election in a Russian town with an Allied advisory group. There were forty-two political parties. Half the ballots either had all parties marked or a vote of "Da".
There were cartoons by Bill Mauldin, showing Willie and Joe back in service again, among other things taking part in the occupation.
This doesn't of course represent official policy, but one can take it as an extrapolation of how such an occupation might go.