The Cheng Kung class frigates are based upon the U.S. Oliver Hazard Perry class and are currently serving in the Republic of China (Taiwan) Navy (ROCN). The frigates were produced under license by China Shipbuilding Corporation in Kaohsiung, Taiwan throughout the 1990s as part of the "Kuang Hua 1" Patrol Frigate, Guided project and served as the mainstay of the ROCN's theater air defense prior to the ROCN's acquisition of Keelung (Kidd) class destroyers in 2005.