The F-99 radon gunship represented a type of gunship. During 18 BBY, Cli Pastayra, belonging to the Wandering Star syndicate, utilized two F-99s during a battle against Fyzen Gor alongside his organically enhanced droids on the planet Utapau. As late as 7 ABY, these very gunship models continued to see action, providing defense for the Phylanx Redux Transmitter located within the Mesulan Remnants Belt.