Trap One,
A 'series of hops' down S. America or Africa is not straightforward, just look at what happened when a Vulcan made 'a hop' in to, I think' Brazil.
Munitions of war, of which aircraft engaged on an active conflict of war etc. are, are not automatically welcomed in to airspaces of countries as they would be if not engaged in a conflict, special permissions have to applied for and these are more than often refused.