The U.S. Army recently placed an order for $20 million worth of AeroVironment’s Mantis i23 gimbaled sensor payloads to upgrade its fleet of RQ-11B Raven unmanned aircraft systems. The Mantis is a multi-axis pan, tilt and zoom sensor that enhances the capability of the small, hand-launched RQ-11B Raven. AeroVironment says U.S. government fiscal 2013 appropriations provided funding