From Longman Dictionary of Contemporary Englishair forceˈair force ●●○ noun [countable] PMPthe part of a country’s military organization that uses planes to fight → army, navy
Examples from the Corpus
air force• Voice over Until 12 months ago about 500 air force personnel worked here.• A factory might manage a few thousand kinds of parts; the air force has to cope with over 6m.• The air force couldn't stop it either.• The air force general leading the mutineers refused to give up control of the base even as the seige of Makati ended. 