Gn. 28 (General Motors M42 Duster Self-Propelled Anti-Aircraft Gun)
The General Motors M42 Duster was a self-propelled anti-aircraft gun developed by the United States during the Korean War.
Dv. 3900 – M42 Duster Self-Propelled Anti-Aircraft Gun
The M42 Duster was an American self-propelled anti-aircraft gun that was in service from 1952 to 1972. It was known for its 40 mm Bofors gun.