Nuclear fusion rocket technology is too expensive to use as a means for power production.

Rockets don't use nuclear fusion so far. The only "practical" use of fusion energy so far is the hydrogen bomb. A controlled reaction has not been possible - at least, not in a way that is economically viable.

Canon laser rocket tazer range up rangeupexchange rateupexchange damageup bigdamageup bigdamageupexchange laserthingy fusion sniper and a shotgun.

With a lot of thrust. American shuttles use 2 booster rockets filled with hydrogen and oxygen and uses fusion to create the power for the thrust.

A Rocket