Yea, I'm glad we didn't fall for the Turkish naming "Erdogan" back then. I'm also glad that TSK has such high criteria when it comes to procurement.
Junk with ejecting seats.
Not every prototype has to be a flying prototype.
Prototypes can have limited functions in order to test whether that particular design/instrumental configuration works under specific conditions. which would bring enough data to adjust, change or enhance particular features either...