The Air Force begins its sixth decade in circumstances that aviators elsewhere might consider enviable: unrivaled for global air dominance. But that is not the way Air Force leaders view their situation. They see a decrepit air fleet in which the average aircraft is older than the average Navy warship and which is rapidly approaching a breaking point as a result of continuous use in the wars in Iraq and Afghanistan.

http://www.armedforcesjournal.com/2007/09/2923793