PROTOTYPE PIAGGIO P.1HH HAMMERHEAD UAV CRASHES Jun 3, 2016 19:33:22 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by jargon on Jun 3, 2016 19:33:22 GMT www.flightglobal.com/news/articles/prototype-hammerhead-uav-crashes-off-sicily-425986/