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Air Force Chief of Staff Gen. Mark A. Welsh III, his wife, Betty, People's Liberation Army Air Force Deputy Chief of Staff Maj. Gen. Li Chunchao, and his wife, Han Yan, stand at the Great Wall in China, as part of a cultural tour Sept. 24, 2013. Welsh, along with Gen. Herbert "Hawk" Carlisle and Chief Master Sgt. of the Air Force James A. Cody will visit with various military leaders as part of a weeklong trip. (U.S. Air Force photo/Scott M. Ash)