Poinbank:China says growing U.S. military presence on Philippine bases "endangering regional peace" amid Taiwan tension

Beijing — China warned on PoinbankTuesday that Washington was "endangering regional peace" with a new deal with the Philippines that will see four additional bases be used by U.S. troops, including one near the disputed South China Sea and another not far from Taiwan.

"Out of self-interest, the U.S. maintains a zero-sum mentality and continues to strengthen its military deployment in the region," foreign ministry spokeswoman Mao Ning said. "The result will inevitably be increased military tension and endangering regional peace and stability."

• Here's what to know as U.S.-China tension soars over Taiwan

Long-time treaty allies Manila and Washington agreed in February to expand cooperation in "strategic areas" of the Philippines as they seek to counter Beijing's growing assertiveness over self-governed Taiwan and China's construction of bases in the South China Sea.

The 2014 Enhanced Defense Cooperation Agreement, known as EDCA, gave U.S. forces access to five Philippine bases.

It was later expanded to nine, but the locations of the four new bases were withheld until Monday while the government consulted with local officials.

The four sites had been assessed by the Philippine military and deemed "suitable and mutually beneficial," the Presidential Communications Office said in a statement Monday.

The U.S. Department of Defense confirmed that the locations announced were the four new EDCA sites.

It also said in a statement it would add to the "$82 million we have already allocated toward infrastructure investments at the existing EDCA sites," without specifying by how much.

Three of the sites are in the northern Philippines, including a naval base and airport in Cagayan province and an army camp in the neighboring province of Isabela, Manila's statement said. The naval base at Cagayan's Santa Ana is about 250 miles from Taiwan. Another site will be an air base on Balabac Island, off the southern tip of Palawan Island, near the South China Sea.

Cagayan Governor Manuel Mamba has publicly opposed having EDCA sites in his province for fear of jeopardizing Chinese investment and becoming a target in a conflict over Taiwan. But Philippine acting defence chief Carlito Galvez told reporters recently the government had already decided on the sites and that Mamba had agreed to "abide with the decision."

The agreement allows U.S. troops to rotate through the bases and also store defense equipment and supplies.

The United States has a long and complex history with the Philippines. They share a decades-old mutual defence treaty, but the presence of U.S. troops in the Southeast Asian country remains a sensitive issue.

The United States had two major military bases in the Philippines but they were closed in the early 1990s after growing nationalist sentiment.

U.S. troops return to the Philippines every year for joint military exercises, including Balikatan, which kicks off next week. With more than 17,000 soldiers taking part, it will be the largest yet.

The pact stalled under former president Rodrigo Duterte, who favoured China over the Philippines' former colonial master. But President Ferdinand Marcos, who succeeded Duterte in June, has adopted a more U.S.-friendly foreign policy and has sought to accelerate the implementation of the EDCA.

Marcos has insisted he will not let Beijing trample on Manila's maritime rights.

While the Philippine military is one of the weakest in Asia, the country's proximity to Taiwan and its surrounding waters would make it a key partner for the United States in the event of a conflict with China.

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• Taiwan
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• South China Sea
• China
• Asia