The cover image shows the first flight of the NASA/AeroVironment Helios prototype that took place on Sep. 8, 1999 from Edwards Air Force Base, California. Handling and performance were test under ...
This photo features the HELIOS system, a state-of-the-art laser weapon. The USS Preble, an Arleigh Burke-class destroyer, has become the first ship in the American fleet to be equipped with the ...