Messages addressed to various emergency service organizations will originate within the Army MARS Region 2 network from which they will be transferred to the RRI Digital Traffic Network for routing to their destinations. Replies will return via a similar path.
RRI operates an international infrastructure of layered communications networks including both manual mode systems and a hybrid mesh network utilizing high frequency resources. More information regarding the exercise and the organization may be found at the RRI website, <www.radio-relay.org>.