The Pantsir-S1 is getting a new missile that makes it stronger - Business Insider: "Russia has developed a small missile that is capable of taking out drones, limiting the effectiveness of a drone swarm or small armed UAVs.
The US and its allies have not yet found an effective way to counter small drones that does not require expensive missiles or large amounts of ammunition.
The development shows that Russia's air defenses are significantly more capable than American counterparts, especially when working together." Read More