Original sentence: Fatih is a Turkey-flagged sixth generation ultra deepwater drillship owned and operated by the Türkiye Petrolleri Anonim Ortaklığı (TPAO)
Edited sentence: Fatih is a Turkey-flagged sixth generation, state-of-the-art ultra deepwater drillship owned and operated by the Türkiye Petrolleri Anonim Ortaklığı (TPAO)