Lockheed Martin to develop solar-powered geostationary airship for DARPA

Researchershave long touted the idea of replacing expensive space-based satellitesand Aircraft Mounted Airborne Warning And Control Systems (AWACS) withlow-cost and much more agile platforms that can be located within theatmosphere of the planet. However, none of the plans ever made it toreality until now, when DARPA hasordered U.S. Defense contractor Lockheed Martin to develop ageostationary [...]