Pvt. Kaitlin Killsnight (left), Pfc. Emma Briggs (center), and Pvt. Erika Leroy work on an Abrams tank simulator at Building 5215 on Harmony Church at Fort Benning, Ga. Along with Pfc. Anita Ramirez, the Soldiers are set to make history, Aug. 1, 2013), when they become the first females to graduate from the 91A Abrams tank maintainers' course.