Il faut neutraliser ceux qui essayent de détruire tout d'abord l'avion et, deuxièmement, un objectif au sol, qui pourrait être le centre-ville d'Ottawa.
What's least bad thereafter is to take out the people who are there trying to destroy, first, the aircraft and, second, whatever they know they'd like to destroy on the surface, and that might be the city centre of Ottawa.