A territory must have been friendly to your power (controlled by your power or an ally) at the beginning of your turn in order for you to land air units there.
Yep, a total of 4 VP’s for the US at the end of turn 2.
this is why it can be difficult to win if you get behind early in the AF building race.
Unless you can take out some capital ships once you are behind you tend to stay behind.
