NBC News has analyzed satellite imagery to dig into the claims being made by Kyiv and Moscow as part of a wider propaganda war being waged in parallel to the actual fighting.

The threat from drones to military isn’t just overseas. Last year, the military tallied 350 drone incursions on domestic bases, according to U.S. Northern Command.

Six people were killed and 80 injured across Ukraine the previous night, when Russia attacked the country with more than 400 drones and nearly 40 missiles.