Two U.S. guided-missile destroyers on Monday sailed near the Chinese manmade island of Mischief Reef in the South China Sea, the location of several territorial conflicts that have raised tensions in the region.
Last year, China added surface-to-air missiles to the contested island, one of three that the Chinese military fortified in 201
The destroyers conducted the passage, illustrating the continuing US military presence in the area, to which China routinely has objected.
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Cmdr. Clay Doss, U.S. Seventh Fleet public affairs officer, told Fox News in a statement: "Guided-missile destroyers USS Spruance (DDG 111) and USS Preble (DDG 88) conducted freedom of navigation operations (FONOPS) in the South China Sea. Spruance and Preble sailed within 12 nautical miles of the Spratly Islands in order to challenge excessive maritime claims and preserve access to the waterways as governed by international law. "
The warships were shadowed by Chinese assets, but the interactions were routine and uneventful , according to a separate US official.
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Doss added: "We conduct routine and regular Freedom of Navigation Operations (FONOPS), as we have done in the past and will continue to in the future. FONOPs are not about any one country, nor are they about making political statements. "
China is pitted against smaller neighbors in multiple disputes in the South China Sea over islands, coral reefs and lagoons in waters crucial for global commerce and rich in fish and potential oil and gas reserves.
Said Doss: "US Forces operate in the Indo-Pacific region on a daily basis, including in the South China Sea. All operations are designed in accordance with international law and demonstrate that the United States will fly, sail and operate wherever international law allows. That is true in the South China Sea as in other places around the globe. "
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The operation came as the Trump administration has prepared for another round of trade talks with the Chinese government.
Treasury Secretary Stephen Mnuchin is leading a delegation set to meet with Chinese officials on Thursday and Friday. The talks are aimed at resolving a trade war that threatens to stunt global economic growth, in part by raising prices on goods for consumers and companies, officials said. The situation could get worse as a truce on tariffs is set to expire in early March.
Fox News' Lucas Tomlinson and The Associated Press contributed to this report.