# | Concept | Culture | Statement | Freq. |
---|---|---|---|---|
1 | zsu 23 4 | Former Soviet countries | ZSU 23 4 is a well-known and widely used self-propelled anti-aircraft weapon system developed by the Soviet Union. | 1 |
2 | zsu 23 4 | Soviet Union | ZSU-23-4 is a well-known self-propelled anti-aircraft gun used by Soviet Union and Russia, known for its effectiveness in air defense. | 1 |