National Security Council coordinator John Kirby revealed the latest news during a press gaggle with reporters on Thursday, though he could only say that the number of Iranians who made the trek to train the Russians was "a relatively small number."“The fact is this: Iran is now directly engaged on the ground and through the provision of weapons that are impacting civilians and civilian infrastructure in Ukraine — in fact, that are killing civilians and destroying civilian infrastructure in Ukraine.”"The information we have is that the Iranians have put trainers and tech support in Crimea, but it's the Russians who are doing the piloting," he said, adding that the Russians decided to bring them to Crimea to help them after “operator and system failures early on, where either they weren’t being piloted appropriately and properly and were failing to reach targets or the systems themselves were suffering failures and not performing to the standards."Russian forces have used Iranian drones in a consistent campaign of missile strikes over the past two weeks that have targeted dozens of cities and villages across Ukraine, including some that have largely avoided the front lines of the war.Russia’s targeting of Ukraine’s energy and critical infrastructure during this campaign has destroyed nearly a third of its power stations, Ukrainian President Volodymyr Zelensky said earlier this week.Those sanctioned include Maj. Gen. Mohammad Hossein Bagheri, the chairman of the armed forces General Staff who has overseen the army branches supplying Russia with drones; Brig."