Increasingly countries worldwide are preferring to use drones for attacking their enemies since they are cost effective and can be controlled extensively.
Additionally there is no loss of life if the drones are shot down.
According to media reports, drones are used extensively in the Russia- Ukraine conflict
In some cases, the drones may be launched inside Russian territory according to media reports.
Now shooting down the drones is another major activity for countries which are fighting each other.
United states may be supplying the latest drones to Ukraine