Dark Viper skin with the 309th FS squadron jet emblems and the chrome gun port the squadron puts on the jet for airshows. Luke AFB recently started painting the F-16s at the base the dark viper color
Fictional livery used by DCS Portugal community.
Just export "DCS_Portugal" folder into: "C:\Users\YOUR_USER\Saved Games\DCS.openbeta\Liveries\F-16C_50"