For most of recent history, the majority of Defence planning and spending is based around protecting your country from big threats. Ships on the horizon. Submarine warfare. Stealth bombers. But drone attacks by Israel and Ukraine have absolutely changed the game. There’s no simple fix for making your military and government infrastructure safe from a sudden truck-launched drone swarm. These covert attacks which are relatively cheap to deploy and incredibly effective have proved that the traditional way of fighting wars is over.