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U.S. President Donald Trump listens to remarks by Defense Secretary James Mattis (R) after a swearing-in ceremony for Mattis at the Pentagon in Washington, U.S., January 27, 2017. REUTERS/Carlos Barria(reuters_tickers)
WASHINGTON/SEOUL (Reuters) - U.S. Defence Secretary James Mattis and his South Korean counterpart agreed during a phone call on Monday to strengthen their defence against "the evolving North Korean threat," the Pentagon said, amid reports the North may be preparing a new missile test.
Mattis, who is to visit South Korea on Thursday, reaffirmed to South Korean Defence Minister Han Min-koo the U.S. commitment to defend the country and "provide extended deterrence using the full range of U.S. capabilities," the Pentagon said in a statement.
The South Korean Defence Ministry said in a statement the two sides had agreed to deploy the Terminal High Altitude Area Defence (THAAD) system in South Korea as planned to defend against North Korea's nuclear and ballistic capabilities.
China has objected to THAAD, saying it will destabilise the regional security balance, leading to calls from some South Korean opposition leaders to delay or cancel it.
Mattis's visit to the region comes amid reports that the North may be readying to test a new ballistic missile in what could be an early challenge for of U.S. President Donald Trump's administration.
The North also appears to have restarted operation of a reactor at its main Yongbyon nuclear facility that produces plutonium that can be used for its nuclear weapons programme, according to a U.S. think tank.
North Korea has carried out a series of nuclear and missile tests in defiance of U.N sanctions. It conducted its fifth nuclear test in September. North and South are technically still at war because their 1950-53 conflict ended in a truce, not a peace treaty.
Mattis also met Jordan's King Abdullah at the Pentagon and expressed his deep appreciation for Jordan's contributions to the fight against Islamic State, the Pentagon statement said.
(Reporting by Idrees Ali and Ju-min Park in Seoul; Editing by Nick Macfie)