US defence chief in Japan to show security alliance is strong amid worries over China

TOKYO (Reuters) - United States Secretary of Defence Ashton Carter kicked off talks with his Japanese counterpart on Wednesday aimed at demonstrating that the two countries' security alliance is tighter than ever amid China's growing assertiveness in the region.

Mr Carter's visit coincides with the first update in US-Japan defence cooperation guidelines since 1997, a revision that will expand the scope for interaction between the two allies in line with Prime Minister Shinzo Abe's push to ease the constraints of Japan's pacifist Constitution on the nation's military.

Mr Carter told Japanese Defence Minister, Gen Nakatani, he welcomed the timely work on the guidelines. "It's going to give first of all Japan, but also our alliance, much greater scope to provide security in the region, and for that matter elsewhere outside of the region," Mr Carter said as the talks began.

Mr Abe's move to allow Tokyo to come to the aid of an ally under attack would pave the way for closer cooperation between US and Japanese forces across Asia, Admiral Robert Thomas, commander of the US Seventh Fleet, said last month.

In January, Adm Thomas said the United States would also welcome a Japanese extension of air patrols into the South China Sea, where China, Vietnam, the Philippines and other nations have rival claims.

Neither Tokyo nor Washington have territorial claims in the South China Sea, but the US Seventh Fleet operates in the area and any Japanese presence would irritate Beijing, which has a separate territorial row with Tokyo in the East China Sea.

Washington has welcomed a broader regional military role for Japan, as the United States pushes its allies in Asia, including Australia, to do more as China takes an increasingly assertive stance in territorial disputes.

In a written interview with Japan's Yomiuri newspaper published on Wednesday, Mr Carter expressed concern about China's land reclamation in disputed areas of the South China Sea.

"We are concerned by the scope and pace of China's land reclamation activities, which are inconsistent with China's own past commitments to Asean countries," the newspaper quoted Mr Carter as saying. "We are especially concerned at the prospect of militarization of these outposts. These activities seriously increase tensions and reduce prospects for diplomatic solutions," he said. "We urge China to limit its activities and exercise restraint to improve regional trust."

Reuters reported in February that China was rapidly creating artificial islands from six reefs in the Spratly archipelago in the South China Sea. Beijing says the work falls "within the scope of China's sovereignty".

US and Philippine troops will take part in annual military exercises this month near the Spratlys in the largest such drills since the allies resumed joint activities in 2000.

Mr Abe's government plans to submit bills to Parliament in the coming months to ratify his cabinet's decision last year to allow Japan to exercise its right of collective self-defense, the biggest shift in Japanese security policy in decades.

Mr Carter, Gen Nakatani and the two countries' foreign ministers are expected to unveil the new defence guidelines in late April, before Mr Abe meets US President Barack Obama on April 28 for a summit in Washington.

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