USAF ALMANAC 2019

摘要

The Air Force is headed by a civilian Secretary and military Chief of Staff, who together are responsible for manning, training, and equipping the forces the service provides to Joint Combatant Commands around the globe. The Air Force itself can be seen as a pyramid, whose foundational units are squadrons—more than 3,000 of them, in all—which come in a variety of sizes. Squadrons wrap up into groups, and groups into wings. Wings, in turn, wrap up into numbered air forces (NAFs), which comprise the operational elements of the service's major commands."