35 mm Oerlikon

Finnish Oerlikon 35 mm twin cannon (35 ITK 88) on display in Helsinki.

The Oerlikon GDF or Oerlikon 35 mm twin cannon is a towed anti-aircraft gun made by Oerlikon Contraves. The system was originally designated as 2 ZLA/353 ML but this was later changed to GDF-001. It was developed in the late 1950s and is used by around 30 countries.

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