Gemon-4 ion engine

The Gemon-4 ion engine was a capital-scale ion engine manufactured by Cygnus Spaceworks. Four Gemon-4 ion engines were used for emergency or supplementary sublight drives on Imperial-class Star Destroyers and three Destroyer-I ion engines served as main engine units.^[1]

Appearances

• Star Wars: Episode IV A New Hope (First appearance)
• Operation: Elrood
• Star Wars: Episode V The Empire Strikes Back
• Star Wars: Episode VI Return of the Jedi
• X-Wing Rogue Squadron 25 (In flashback(s))
• X-Wing Rogue Squadron 31
• X-Wing Rogue Squadron 35

Sources

• The Essential Guide to Vehicles and Vessels (First identified as Gemon-4 ion engine)
• The Galactic Empire—Ships of the Fleet

Notes and references