Ionic-fusion drive
From Transformers Wiki
An ionic-fusion drive is a motive system used in Cybertronian spacecraft, powering them across interstellar distances.
Fiction
Marvel The Transformers comics
When G.B. Blackrock was given his first tour of the Ark, Brawn and Bluestreak were repairing the Ark's ionic-fusion drive. The Next Best Thing to Being There!
