Hydrogen fuel cell powered drone experimentation goes back decades in the United States, beginning with NASA’s 1994 Helios prototype. The Office of Naval Research has also invested in related research ...

sending an email to a retired Army intelligence officer claiming they’re advanced military drones with “gravitic propulsion ...

Until HELIOS is given the needed boost, it's proven itself capable of destroying military drones up to five miles away from the ship. Of course, this was only a test to prove HELIOS' validity ...

from smaller off-the-shelf drones that are available to civilians all over the world to larger, military-grade ones. They're versatile and expected to play a significant role in future fights.