This particular Terran Viking was customized by Dominion researchers and engineers in following way, which was adding new set of engines resulting in increased firepower in both Assault and Fighter Mode.

James Headnail encountered the Terran Viking only in its Fighter Mode when it was attacking the group of people who fought against Emperor Arcturus Mengsk's regime. According to James Headnail, the engine is usual weakspot even for versatile vehicles such as Terran Vikings.

(Terran Viking belongs to Blizzard)