Guidance thruster
Guidance thrusters are starship components located each of a ship's nacelles. These components appear to be separate in function from a starship's main thrusters. 

The Jem'Hadar fighter discovered by the crew of Deep Space 9 on Torga IV in 2373 was found in excellent condition, save for a crushed guidance thruster – or comparable Dominion component. () During a later engagement with the , the Jem'Hadar ship was hit and lost one of its guidance thrusters. ()

While preparing for Operation Return in 2374, the  was forced to fall back for repairs after having a continued problem stabilizing the guidance thrusters in the ships port nacelle. ()

de:Lenkungstriebwerk
Propulsion technology