Unmanned drones: bigger, smaller and definitely stranger than you may have expected

By David Hambling

As un manned aerial vehicles, or UAVs, become a staple of modern military operations, their uses and forms have grown more varied. Today they range from slingshot-launched spybots to global guardians. In fact, the acronym itself may be morphing into UAS (unmanned aerial systems) to indicate that these are not just aircraft, but systems that include ground stations and other elements.

It’s not just the military that uses them

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