Which network transmits emergency action messages (EAM) from the NMCC?

The correct response regarding the network that transmits emergency action messages (EAM) from the National Military Command Center (NMCC) is the Strategic Automated Command and Control System (SACCS). This system is specifically designed to ensure the timely and secure transmission of critical messages, including EAMs, which are essential for national defense and military operations.

SACCS provides a reliable communication pathway that supports strategic command and control capabilities, facilitating real-time decision-making in emergency situations. The system is integrated with various military and command systems, making it effective for the dissemination of urgent communications that may include instructions for actions to be taken in response to various threats.

Other systems such as the Global Command and Control System (GCCS), the National Military Command System (NMCS), and the Theater Battle Management Core System (TBMCS) serve distinct roles in military operations. For example, GCCS is utilized for overarching command and control functions, NMCS encompasses the entire command structure, and TBMCS focuses on managing battles within specific theaters. While these systems are integral to military communications, they do not specifically handle the transmission of EAMs in the same capacity as SACCS.