It’s been able to do so in part thanks to record oil and gas revenues, as it has filled a supply gap during the energy crisis triggered by Russia’s 2022 invasion of Ukraine. In 2022 alone, hydrocarbon sales generated roughly $150 billion for its national coffers,

Many of the drones aren’t particularly fast or high-tech, but they are cheap enough for the Kremlin to launch more than 700 in one night, in an effort to overwhelm Ukraine’s air defenses. Here’s what we know.