Cail-tan was a human who served in the New Republic as an X-wing starfighter pilot. During the New Republic Era, the astronomer Kh’ymm contacted the New Republic on behalf of a group of younglings requesting help from pirates that had invaded their home planet At Attin. Their squadron of eight T-65 X-wing starfighters was deployed along with two A/SF-01 B-wing starfighters and a CR90 Corvette to repeal the pirates.