Scenario #1: you were in a different timeline within the battlefield, you tried to find cover & figuring out of how & what brought you here. Then, you see an American Ranger with different style & gear. Then what happens next...

Scenario #2: as the world went absolutely apocalypse of zombies, you try to find any survivors within the Police department, as you did, you ran into a guy with WW2 gear & clothing, then, he asks of what happened & who you are...what happens next.
Scenario #3: Make your own scenario

( This is for renie_08 )