Oerlikon GDF
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The Oerlikon GDF or Oerlikon 35 mm twin cannon is a towed anti-aircraft gun made by Oerlikon Contraves. The system was originally designated 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.
A modernized Finnish 35 mm Oerlikon twin cannon
An Austrian GDF-005 (FIAK85) gun system. Note the muzzle velocity measuring device on the muzzle of each gun
A Gepard SPAAG of the German Army
An Oerlikon Contraves Skyguard Radar of the Austrian Air Force
Marksman is a British short range air defense system developed by Marconi, consisting of a turret, a Marconi Series 400 radar and two Swiss Oerlikon 35 mm anti-aircraft autocannons. It is similar to the German Gepard system in terms of engine performance, ammunition carried and effective range of the ammunition.
Finnish ItPsv 90
Finnish Leopard 2 Marksman
The only Chieftain tank chassis with this weapons system..