C3 Launch and Fire Control Nuclear launch orders are sent as Emergency Action Messages (EAMs) and carried out by a complex sequence of arming, validations, and key-turns or switches. read on View as Slide Show View Images Warning and Communications Space, sea and land-based assets warn of incoming attacks and transmit orders to launch personnel. read on View as Slide Show View Images Command Centers and Aircraft Command centers and aircraft support both long range planning and nuclear crisis management. read on View as Slide Show View Images