The viper.zip file you have requested: Add Ons / Aircrafts / Viper Fighter - 633.57kb is not available. Perhaps try browsing all files for the game ARMA: Cold War Assault and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Operation Flashpoint Resistance, visit Operationflashpoint.filefront.com Viper Fighter. Features: Full Lighting for night missions. Custom gun and engine sounds ripped from the actual television show. Animated exhaust. 1 Machine Gun Explosive, rounds 3000, 1 Rocket Launcher, rounds 200.