Thruster (Combustion/Ion)

Combustion Thruster Cost  ☐2 (💧1 when fired) 

 Power: 2 

 Ion Thruster Cost ☐2 ⚡2 

 Power: 1 

 As long as you have the related drive, you can install an unlimited amount of that type of thrusters. You can install thrusters anywhere on the outside of the ship.