The May 2-12 maritime security and counterterrorism exercise will feature the militaries of the 10 countries of the Association of Southeast Asian Nations, along with those of the US, India and six other dialogue partners.
It will be held in Singapore and Brunei and in nearby waters of the South China Sea.
Chinese Defense Ministry spokesman Colonel Wu Qian said that China would send the missile destroyer Lanzhou, staff officers and a dozen special forces troops.
China claims virtually the entirety of the strategically vital South China Sea and has attempted to shore up its control by building islands on coral reefs complete with airstrips, harbors and radar stations.
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Despite that, China says it wants to resolve differences between the six rival claimants through dialogue and accuses the US of raising tensions by challenging the Chinese actions with what are known as freedom of navigation patrols.
Asked about calls in the US for stepped-up naval activity in the South China Sea, Wu summed up China's hard line on its sovereignty claim in a new formulation claim he called the "Three No's."