Lt. Kassia was a Viper pilot stationed aboard the battlestar Galactica during the early days of the Cylon War. She was a wingman of Lt. William "Husker" Adama.
She was born on a Colonial Fleet base to a military family; she was raised on the colony of New Caprica, where she fell in love with Callisto. His death in a Cylon attack left her permanently hardened.