The enforcement of an air exclusion zone is not merely a matter of having the upperhand in the airspace subject to the exclusion (‘air superiority’), it requires the military capability to dominate the zone and exclude all unauthorised aircraft — by force if necessary (‘air supremacy’). Such dominance therefore demands the strength and ability to impose this with the destruction of hostile radar, air defences, and air bases — all of which are in sovereign Russian territory. … More Air Exclusion Zone (Ukraine)