阮富仲
On 25 November 2014, an agreement was signed during a visit to Sochi by Nguyễn Phú Trọng, that established standards of use of Russian warships in the port of Cam Ranh simplified procedure: Russian ships would only have to give prior notice to the Vietnamese authorities before calling on Cam Ranh Bay, while other foreign navies would be limited to only one annual ship visit to Vietnamese ports.