aerovironment

Unmanned aerial vehicles fly 9 hours in a row
The variant of the AeroVironment's manual-launching aerial (UAS) system, Puma AE, has been flying for more than 9 hours continuously.
The US has unmanned spy planes
A bagpipe disguised as a hummingbird has been unveiled by AeroVironment, a major contractor for the Pentagon, with a length of only 16cm and a lighter weight than an AA battery.