the morning after the night before....the USA is asked to the 'party' or either they take an invitation for granted......
A love hate relationship.  This country takes on risk while ever we support US installations for this or that and worse still blindly follow them into wars.
As for the regular military exercises in the NT it is not as though their own country is short of appropriate places to play war games.
Cultural exchange other than more pop culture would be very welcome.