проривати оборону
pierce
pierce a bullet-proof vest
pierce a minefield
pierce armor
active defenses
breach defenses
crack defenses/the front
defenses
establish defenses
Ground Based Air Defenses (GBAD)
military defenses
outpost defenses
passive defenses
permanent defenses
punch / smash / tear a hole (in the defenses)
shore up defenses * зміцнити оборону
disrupt defenses
disrupting defenses