Chak Ravartin, service number 4503-3682SF, was a Human male from Coruscant who had enlisted in the Republic Marines at age eighteen in the hopes of becoming a starfighter pilot. As the Jedi Civil War kicked into gear when Darths Revan and Malak began their offensive against the Galactic Republic, Ravartin had finished his training, upon which he was assigned to the 23rd Marine Starfighter Squadron. Flying the Aurek tactical strikefighter, he and his unit initially staged from the Centurion-class battlecruiser Stalwart Defender, and later the Hammerhead-class cruiser Horseshoe.