Christopher Paul Buchanon, a sergeant in the U.S. Army, returns from a tour of duty in Afghanistan in 2009 with a service-related disability. Instead of being discharged, he is sent to Fort Creech, Nevada, and taught how to operate drones. Following the death of Osama bin Laden in 2011, as the United States begins to withdraw combat troops from Afghanistan, and as the military downsizes, he is discharged. Three years later, Chris is recruited to become...