An Australian 'drone killer' air defense system could make it much cheaper for Ukraine to shoot Russian drones out of the sky

Shooting down Russia's drones in Ukraine costs millions of dollars in ammunition. The Slinger anti-drone system is designed to cost around $1,00 to fire.

https://www.businessinsider.com/ukraine-slinger-drone-killer-gun-aims-cheaply-shoot-down-russia-2023-10