??? Rear Admiral Jiang Guoping, commander of the 19th Chinese naval escort fleet, presents a ball cap with fleet logo to President Kolinda Grabar Kitarovic. Croatian President Kolinda Grabar Kitarovic, with other high-ranking civil and military officials, boarded the visiting guided-missile frigate Linyi of the 19th naval escort fleet of the PLA Navy and attended a deck reception on June 4, 2015. (military.cnr.cn/ Xiong Libing)