The United States Air Force | History, Role, & Missions | Britannica The United States Air Force (USAF) is one of the six branches of the United States armed forces. Its primary responsibility is for air warfare and air defense. The USAF was created as a standalone ent...

#UnitedStatesAirForce ( #USAF), one of the major components of the #UnitedStates armed forces, with primary responsibility for #air_warfare, #air_defense, and the development of military #space_research Also provides air services in coordination with other branches
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