Shortly before dawn on July 9, Russia had fired 728 drones and 13 missiles into Ukraine, making it the largest Russian aerial bombardment of the war so far.

What does it say about the vulnerability of a $50 million fighter when it gets destroyed by a weapon fired off a remote-controlled boat? For Russia’s 43rd Naval Attack Aviation Regiment in Crimea, it has meant losing over half its Su-30SM air force and a sobering reminder of how quickly advancing unmanned systems are changing