The US Marines have conducted drills with a mini unmanned aerial system (UAS) called Drone40 that could turn lethal when they attack in swarms. CPEC: Internal Pressure, External Threat – Why China’s $60 Billion Investment In Pakistan Is At Risk? It was in February 2021 when this miniature drone caught the attention of defense enthusiasts … Continue reading Developed By Australia & Popularized By The UK, US Marines Test Lethal Mini ‘Grenade’ Drones That Can Attack In Swarms