On a dark night in February 2005, Sara Sheldon arrived at Camp Fallujah, outside the dangerous ancient city for which it was named. Armed only with a camera, a laptop, and notepads, she was a spectator to the war who secured permission to embed with the 1st MEF and observe and interview Marines who happened to be women then posted at Camp Fallujah. In the time she spent there, Sheldon interviewed women who held ranks from corporal to colonel to...