Exogene (Subterrene War Series #2) in Bloomington, MN

Catherine is a soldier. Bred by scientists, indoctrinated by the government, she and her sisters will win this war, no matter the cost. On their 18th birthday, when their duty is fulfilled, they are discharged - lined up and shot. Catherine may have only known death, but she dreams of life - and is prepared to pay any price to get it.