January 4, 2015

"China has dismissed a protest by Vietnam after a Chinese civilian aircraft landed on one of the Nansha Islands, saying that the operation was carried out within Chinese sovereignty.

China carried out a test flight to a newly built airfield on the island of Yongshu Jiao to see whether the facility met civil aviation standards, Foreign Ministry spokeswoman Hua Chunying said on Saturday."

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http://www.chinadaily.com.cn/china/2016-01/04/content_22916917.htm