Ukraine pioneered the use of small drones on the battlefield. But in Russia’s Kursk region, Moscow’s fiber-optic cables ...

This arrangement is backed-up by internal tritium vials that continue to illuminate the reticle at night when there isn’t enough light present for the fiber-optics ... a well-lit target from ...

Fiber-optic drones are a less-expensive, lower-tech solution, keeping a hard connection so that operators can ignore any electronic warfare and continue to fly the drone towards its target.

Related stories Likewise, the range from the target to the operator would need to be considered, as the wire limits how far the drone can fly. That said, fiber-optic drones could be useful in ...