MRK "Serpukhov" received a "shield" against drones
The Project 21631 "Buyan-M" ship was equipped with lattice screens, and the area of the AK-630M-2 "Duet" artillery complex was covered with sandbags
AK-630M-2 «Duet»
Rocket Scientist Names Ideal Weapon Against USVs: It's Too Early to Bury Large Ships
Alexander Vasiliev: AK-630M-2 "Duet" Will Become a Means of Close Self-Defense Against Strike Boats