Twilight's Fall – a separate game. Twilight Imperium's expansions, mods and rules topics are not part of it.

Command

After you activate a system: Apply +1 to the move value of each of your ships during this tactical action. Additionally, your ships may move through and into asteroid fields during this movement.
Action card

After you activate a system:

Apply +1 to the move value of each of your ships during this tactical action. Additionally, your ships may move through and into asteroid fields during this movement.

2in the deck
–chance to draw
Nocomponent action

Source: Twilight's Fall