 This interest blossoms into a relationship between the two, but is brought to an end when Billy proposes marriage and Dualla realizes she is not really in love with him, due in part to her attraction to "Galactica" CAG, then-Captain Lee Adama.Billy is killed shortly thereafter in a terrorist attack aboard "Cloud Nine", saving her life from a terrorist that was about to kill her.In the year between the discovery of New Caprica and the Cylon invasion of the colony, Dualla's position in the fleet changes considerably.