 The G-class frigates have undergone a major modernization program which included the retrofitting of a Turkish digital combat management system named GENESIS ("Gemi Entegre Savaş İdare Sistemi").The system was designed and implemented jointly by the Turkish Navy and Havelsan, a Turkish electronic hardware systems and software company.The first GENESIS upgraded ship was delivered in 2007, and the last delivery is scheduled for 2011.