Lockheed Martin: Stalker eXtended Endurance (XE) UAS Mini Drone

“The Stalker XE is an eight hour, flexible platform that provides best in class video and has a digital architecture that allows for rapid integration of third party payloads using plug-and-play technology. Stalker XE provides persistent surveillance and oversight for rapidly growing infrastructure and environmental monitoring in addition to ongoing critical federal and law enforcement needs. Visit our website to learn more about the system that provides 2 to 4x the persistence of other small UAS but at a fraction of the size and cost of comparable, yet much larger systems. http://www.lockheedmartin.com/us/products/stalker-uas.html