I've been building up to saying that your question is unanswerable. You would need to poll every Jew that you know to see if he will be in your corner should the day of reckoning ever come. Within the last seven hundred years when Jews populated rival states in Europe, Jews of one army fought against Jews of the enemy army. That's the way it was. You were conscripted and fought or paid the consequences.
Jewish law requires our loyalty to our respective host country.
Many may, while others might possibly opt for Australia or elsewhere. Now in their forties and fifties, will these recipients of Pres. Think about it. Some people will go to fisticuffs over a parking space, while others wouldn't defend an assault on their own mothers happening before their eyes. None of us know what another will do until the moment the decision to fight or flee arrives.