air-superiority

[ air-suh-peer-ee-awr-i-tee, -or-, -soo- ]
/ ˈɛər sə pɪər iˌɔr ɪ ti, -ˌɒr-, -sʊ- /

adjective

designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.

Origin of air-superiority

First recorded in 1930–35