The Boeing Company displays a scale model of their "Unmanned Little Bird" demonstrator at the 33rd annual Modern Day Marine Military Exposition (MDMME), hosted by Marine Corps Base Quantico, Quantico, Va., September 24, 2013. The MDMME is a 3-day expo that showcases the latest in defense manufacturing, science, technology and warfighting products presented by approximately 400 exhibitors. (Official USMC photograph by Kathy Reesey/Released)