Air Force refocuses on training as wars wind down

After more than a dozen years fighting wars against unsophisticated opponents and technology in Iraq and Afghanistan, the Air Force is refocusing its training on tests ripped from the headlines — surface-to-air missiles, chemical weapons and cyber warfare. The training, according to military analysts and the service's top boss, a former fighter pilot himself, is vital to the service as it faces increasingly sophisticated threats from Eastern Europe to the Pacific.

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