A drone is seen in the sky seconds before it fired on buildings in Kyiv, Ukraine, Monday, Oct. 17, 2022. (AP Photo/Efrem Lukatsky) A drone is seen in the sky seconds before it fired on buildings in Kyiv, Ukraine, Monday, Oct. 17, 2022. (AP Photo/Efrem Lukatsky) They are precise, small in size, able to engage a target in relatively large numbers like a swarm of wasps and above all, they’re cheap. In Russia’s invasion of Ukraine , drones have cemented their reputation as a potent, hard-to-stop and cost-effective weapon to seek out and destroy targets while simultaneously spreading the kind...