Ghost Drive

A ghost drive can be installed only on a Large or smaller starship. During the helm phase, as a crew action, a science officer can attempt a Computers check (DC = 10 + 1-1/2 x the starship's tier) to activate the ghost drive. If the check is successful, the ghost drive becomes active and the vessel in which it is installed becomes insubstantial.

An active ghost drive has several effects in starship combat. The drive pulls power from the thrusters, so the insubstantial starship's speed is 2 lower and its distance between turns is 1 higher. An insubstantial starship can move through hexes containing enemy starships without allowing those foes to make free attacks; conversely, the insubstantial starship can't make free attacks on ships that pass through its hex. The starship's science officer can freely deactivate the ghost drive at the beginning of the helm phase; otherwise, the effect continues indefinitely.