The Chinese People s Liberation Army (PLA) Navy on Saturday celebrated its 73rd anniversary since its founding by announcing the commissioning of half a dozen powerful warships and two types of advanced vessel-based helicopters which have already started training to form combat capabilities. These achievements are a reflection of the Navy s rapid, tremendous growth over the recent years that is enabling the naval force to resolutely safeguard national sovereignty, security and development interests, top officers on some of the country s mightiest warships said in exclusive interviews with the Global Times.