u. s. air force usager • us air force · · · Info · Definitions · Characters · · u. s. air force · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) the airforce of the United States of America; the agency that defends the United States through control and exploitation of air and space. Synonyms: United States Air Force, U. S. Air Force, US Air Force, Air Force, USAF. · · Noun Definition 1 Characters · · space U+0020 . full stop U+002E a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075