Aeropak fuel cell technology boosts UAV endurance

http://www.shephard.co.uk/news/uvonline/auvsi-aeropak-fuel-cell-technology-boosts-uav-endurance/7031/


Long endurance redefined with two new high-altitude unmanned aircraft
http://www.flightglobal.com/articles/2010/08/24/346117/long-endurance-redefined-with-two-new-high-altitude-unmanned.html


Skunk Works unveils new, twin-boomed UAV
http://www.flightglobal.com/articles/2010/08/24/346461/auvsi-skunk-works-unveils-new-twin-boomed-uav.html