In Tactical mode, user presence information is conveyed to other users through a special kind of non-audio channel called the Mission Control Channel. This special channel is shared by all users of a given Mission. Each Mission has one and only one Mission Control Channel associated with it. However, clients can participate in multiple Missions at the same time. Enterprise mode uses ICE Server to convey this information between users; there is no Mission Control for ICE-managed channels.

Instead of communicating audio traffic, Mission Control conveys presence, location and other metadata and signaling (like emergency alerts). Just like an audio channel, the Mission Control Channel may be encrypted using a key known only to members of the Mission and can be configured for multicast or Rallypoint network operation.