This movie aims to set the record straight about the brave Polish pilots

[Frankie]

The incredible true story of Squadron 303

The irony is that with the Cold War starting, many of the heroic Poles, sidelined from the VE Day parades by the very nation they helped defend against Nazi Germany,
made a decision not to return to Communist Poland, but rather chose to start a new life in their adopted country.

RAF pilot remembers WW2 'betrayal' as movie Hurricane honours Polish heroes

303 Squadron Battle Of Britain Game on Steam
https://store.steampowered.com/app/675170/303_Squadron_Battle_of_Britain/

Here's a review of this 2019 Combat Flight Sim

[Didz]

A lot didn't have a choice and many that did return to Poland were arrested and executed by their new Soviet overlords because they were considered too nationalistic.  Indeed Britain owes a debt of shame to many who were encouraged to return home to face death or imprisonment.