In 2009 Savannah Cannon joined up at nineteen, to escape her hardscrabble circumstances. She was quickly tapped as having an aptitude for math and computers. Once trained, she was promptly deployed to a dangerous desert outpost in Afghanistan, where female Marines were not supposed to be assigned. There Corporal Cannon worked as a "data dork" - a data networking specialist - setting up and maintaining critical communications and computer systems. She also went on patrol. The stakes were life ...