Shahed-style drones are deadly systems that Russia has been using to strike Ukrainian cities for nearly three years.

Jet-propelled drones like the Geran-3 are said to fly nearly thrice as fast as today's Shaheds, a key problem for Ukraine's new interceptor drones.

Shahed drones are so named because, according to the U.S. Department of the Treasury, they are created by or in association with the Shahed Aviation Industries Research Center in Iran.

Home Defence the explainer How drone warfare works From Ukraine to Iran, it has become clear that unmanned aircraft are rapidly revolutionising modern warfare ...