A Dolphin Z-9 helicopter of China's Navy missile frigate CNS Yulin flies off the deck of Singapore's Navy missile frigate RSS Intrepid during the "Exercise Maritime Cooperation 2015", May 25, 2015. The Singapore and Chinese navies on Monday concluded the inaugural Exercise Maritime Cooperation 2015. Chinese missile frigate Yulin, Singapore's Formidable-class frigate (RSS Intrepid) and Victory-class missile corvette (RSS Valiant) participated in the bilateral maritime exercise. (Photo: Xinhua/Then Chih Wey)
