I believe it’s F 7 Skaraborg Wing who does that to their Gripens as it’s their sign for identification Gripen 211 also has that iirc

Edit: Yeah it’s F 7’s wing decal
I believe it’s F 7 Skaraborg Wing who does that to their Gripens as it’s their sign for identification Gripen 211 also has that iirc

Edit: Yeah it’s F 7’s wing decal