Then why did they prioritize it in deals with Turkish shipyards?Bold: I don't think that is the case though, the navy has been dealing with gas turbine propulsion since 1977. With Rolls-Royce Olympus TM-3B on 3 Fatahillah-class corvette and 1 Ki Hajar Dewantara-class Training Frigate, also General Electric-Fiat LM2500 on 4 Mandau-class FAC.