Cap from PLA Navy missile destroyer Haikou with 'DDG' on one side and the Chinese Navy Flag on the other. A Chinese flotilla, Task Group 171, arrived at Naval Base San Diego on August 10, 2014, for a five-day visit after its participation in the Rim of the Pacific (RIMPAC) exercise off Hawaii, the world's largest maritime military drill. This was presented to the Mayor by Rear Admiral Shen Jinlong, Commander, People's Liberation Army Navy, Task Group 171, and President of the Naval Command College.