- Calls the Inquisitorial spaceship to launch Orbital Strikes with a long proximity.
- Primarily guides the deployment of Grey Knight Land Raiders from orbit.
- Land Raiders are too big to be teleported; They must be transported down from orbit instead.
- Can also inquire Stormhawk Interceptor Aircraft dispatches from the orbital fleet, deployed nearby.
- Each new Domus Astra Navigatio, cumulatively increases the proximity range of the Orbital Strikes!
- Limited to one (1), per Inquisitorial Tower (HQ).