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
Swiss 35 mm Oerlikon twin cannon (1979)
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
Skyshield is a modular, light weight, short range air defense system developed by the Swiss corporation Oerlikon Contraves, now a subsidiary of Rheinmetall of Germany. The successor to the Skyguard of
A pair of Indonesian Air Force BAE Hawk 209 flying over a Skyshield revolver gun Mark 2, with a Fire Control Unit in the background, at Supadio AFB
Ammunition used by the Skyshield: AHEAD, Training, and Dummy rounds
At Eurosatory 2018, Rheinmetall displayed a Boxer fitted with the Oerlikon Skyranger 35 air defence system.
The complete Skyshield air-defence array with a SAM module in the back right