> An aircraft doesn’t need to be modern - it needs to shot down the other before it gets shot down.

Frontal RCS of the Gripen C/D between 0.1 m2 and 1.5 m2

Frontal Radar Cross-Section (RCS) of the F-35 roughly between 0.001 m2 and 0.005 m2

Gripen is an old airframe useless in modern combat. It will be shot down from far away.