After the QDR, USAF will have fewer fighters, fewer options, and therefore tougher choices. The Air Force is poised to launch a dramatic restructuring of its fighter fleet. Anticipating years of flat budgets and a changing military strategy, the service will shrink its fighter force as much as 20 percent. There will be fewer squadrons and they will have fewer people. There will be newer machines—and the average age of the fighter fleet may stabilize after steadily graying for 20 years—but a portion of the inventory will be geared toward less demanding wars. The service has developed a matrix of...