Unmanned aircraft for stratosphere (Global Observer)

Unmanned aircraft for stratosphere
Hydrogen Journal
It was piloted remotely by Andy Thurling, AeroVironment's chief test pilot and a former US Air Force Lieutenant Colonel and flight test pilot. ...
AeroVironment's Stratospheric Global Observer Unmanned Aircraft System Makes ...MarketWatch (press release)
Global Observer UAV Completes Wing Load TestsLogisticsWeek
Surveillance aircraft completes maiden voyageThe Engineer