ZSU-23-4 Shilka Anti-aircraft
ZSU-23-4 Shilka - Wikipedia
ZSU-23-4 "Shilka" A ZSU-23-4 on display at the Museum of Russian Military History Type Self-propelled anti-aircraft gun Place of origin Soviet Union Service history In service 1960–present Used by See Operators Wars See Combat history Production history
https://en.wikipedia.org/wiki/ZSU-23-4
https://www.facebook.com/vietcong.offensive/photos/pb.100076116195383.-2207520000./200464942441316/
https://www.youtube.com/watch?v=zkGQUCXgeD0