Chinese frigate Huangshan (570)
"Huangshan" (570) is a Type 054A frigate of the People's Liberation Army Navy. She was commissioned on 13 May 2008. Development and design. The Type 054A carries HQ-16 medium-range air defence missiles and anti-submarine missiles in a vertical launching system (VLS) system. The HQ-16 has a range of up to 50 km, with superior range and engagement angles to the Type 054's HQ-7. The Type 054A's VLS uses a hot launch method; a shared common exhaust system is sited between the two rows of rectangular launching tubes. The four AK-630 close -in weapon systems (CIWS) of the Type 054 were replaced with two Type 730 CIWS on the Type 054A. The autonomous Type 730 provides improved reaction time against close-in threats. Construction and career. "Huangshan" was laid down on 28 April 2005 and launched on 18 March 2007 at the Huangpu Shipyard in Shanghai. Commissioned on 13 May 2008. On April 2, 2009, "Huangshan" and Shenzhen formed the second escort fleet of the Chinese Navy, which set sail from Zhanjiang City, Guangdong Province, to perform escort missions in the Gulf of Aden and Somali waters. This escort marked the entry  of a new phase of orderly succession and normal operation of the Chinese Navy's escort operations. The escort lasted 142 days. "Huangshan" and others provided regional cover for 85 ships, successfully rescued 4 attacked foreign ships, and verified and driven away 129 suspicious ships. The formation returned to a military port in Zhanjiang City on August 21. On July 26, 2010, "Huangshan", Haikou, and Ningbo conducted a live-firing exercise of multi-arms contract in a certain area of the South China Sea under the organization of the South Sea Fleet. The exercise was carried out in 3 sea  areas and more than 18,000 square kilometers of sea area, and 71 missiles of 16 types were launched. It was evaluated as the most complete training elements, the most actual missiles, and the highest degree of information in the history of the PLA Navy at that time. The most complicated joint combat exercise in the electromagnetic environment. On November 9, 2012, Huangshan, Hengyang, and Qinghaihu formed the 13th Chinese navy escort fleet, which set sail from Zhanjiang Port in Guangdong Province to the Gulf of Aden, Performing escort missions in the waters of Somalia. The escort lasted 196 days and  nights. "Huangshan" and others completed 37 batches of 166 escort missions of Chinese and foreign ships, and verified and driven away suspicious targets at sea in 68 batches and 110 times. After completing the escort mission, the formation visited five countries including Malta, Algeria, Morocco, Portugal and France, and returned to a military port in Zhanjiang on May 23, 2013. On October 18, 2013, "Huangshan" and Guangzhou set sail to participate in the navy's "Mobile-5" open sea exercises, and went to the western Pacific waters to perform sea-to-air three-dimensional offensive and defensive exercises and joint anti -submarine warships task. The exercise lasted for 15 days and ended on November 1, 2013. All participating troops returned to the station one after another. On December 19, the South Sea Fleet consisting of "Huangshan", Yuncheng, and Weishanhu set sail from Zhanjiang City and proceeded to the Western Pacific and other waters. Exercises in subjects such as continuous maritime alert, counter-terrorism and counter-piracy, and joint search and rescue. On February 17, 2014, "Huangshan" and others performed the Syrian chemical weapons maritime escort mission to replace the force from a military port in Zhanjiang City, Guangdong Province, and went  to the Mediterranean to replace Yancheng, which has completed three batches of Syrian chemical weapons maritime escort missions. After completing 13 escort missions with ships from Russia, Denmark, Norway and other countries, "Huangshan" returned to a military port in Zhanjiang City on July 24 after completing the Syrian chemical weapons maritime escort mission. On December 29, 2014, "Huangshan" sailed to Indonesian waters to participate in the search and rescue operation of Indonesian AirAsia Flight 8501.