TÜRKIYE'S FIRST DOMESTICALLY DEVELOPED FIFTH-GENERATION STEALTH FIGHTER JET KAAN DOESN'T COMPARE TO THE F-16 BUT COMPETES WITH THE F-22, SU-57 AND J-20, CHIEF ENGINEER EMRE YABAN SAYS, NOTING THAT ONLY FOUR COUNTRIES HAVE MANAGED TO DEVELOP FIFTH-GENERATION AIRCRAFT COMPARABLE TO IT.