The U.S. military has adopted new policy guidance for air and cruise missile defense of the homeland just as North American Aerospace and Defense Command top brass are bracing for Chinese military aircraft this year for the first time to penetrate NORAD's air defense identification zone. Defense Secretary Lloyd Austin approved a new cruise missile defense of the homeland policy on Sept. 14, a previously unreported development, completing a tasking set by the 2022 National Defense Strategy to update the...