Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Horizon Common New Generation Frigate (CNGF) is a multi- national collaboration to produce a new generation of anti-air warfare frigates. Originally an alliance of Britain, France and Italy, the project is now a French/Italian effort following the withdrawal of Britain due to differing requirements. It is named Orizzonte in Italian and Horizon in French and English.