Heavy lift, long endurance, unmanned, remotely piloted, hybrid air vehicles, namely, aircraft vehicles which derive more than half of their lift by helium buoyancy and the balance of their lift through aerodynamic shaping and are controlled from remote locations or by way of autonomous, preprogrammed flight navigation and control processes

'aerodynam':32 'air':9 'aircraft':12 'autonom':44 'balanc':27 'buoyanc':24 'control':36,49 'deriv':15 'endur':4 'flight':46 'half':18 'heavi':1 'helium':23 'hybrid':8 'lift':2,21,30 'locat':39 'long':3 'name':11 'navig':47 'pilot':7 'preprogram':45 'process':50 'remot':6,38 'shape':33 'unman':5 'vehicl':10,13 'way':42

SKYPIGEON

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