The Battle of Ansett Island occurred before the First Order's mission to Kef Bir, and it took place on Ansett Island. In this conflict, a stormtrooper, known as TZ-1719, along with the other members of her company, refused to fire on non-combatants, choosing instead to put down their arms. Following their desertion, they established a settlement on the ocean moon of Kef Bir. Subsequent to the battle, TZ-1719 adopted the name Jannah.