Iran delivered Russia with combat , surveillience capabilities drones in August 2022.Russia is reportedly disappointed due to poor performance and technical failure resulted during the early performance tests.president Putin had recently visited Iran and requested for combat drones to be used in Ukraine war.Russia is facing serious supply chain problems in it's drone manufacturing and already lagging behind Ukraine in term of using drones effectively .Russia and Iran were warned by the USA for further sanctions if Iran deliver drones to the Russia .Iran has one of the world largest fleet of combat drones .Ukraine was provided by the state of the art drones by the USA and turkey .Russia is keen to purchase large fleet of drones to use them in the Ukraine war .