The 6304 was operated by the Força Aérea Portuguesa (FAP) from 1963 to 1967.
This aircraft was a special order from our friend Rui Silva from 509tigers.
Here you can read everything about this aircraft: https://509tigers.org/20211025-2/
The 6304 is now in the Museu do Ar in Sintra, Portugal and you can visit it to see this amazing bird.