He retired from the Army after nearly 40 years of service . He 's also clearly attached to his wife , Ching , insisting in his Senate confirmation hearing that she accompany him to Kabul even though State Department rules barred spouses because the country is so dangerous . Military career included assignment in Kabul as chief of Office of Military Cooperation . He advised the secretary of defense on China , Korea , Hong Kong and Mongolia .
He retired from the Army after nearly 40 years of service . Military career included assignment in Kabul as chief of Office of Military Cooperation . He advised the secretary of defense on China , Korea , Hong Kong and Mongolia .