South Korean fighter jet patrols over islands disputed by Japan

SEOUL - South Korean fighter jets conducted a patrol flight on Tuesday (Oct 1) over islands at the centre of a bitter dispute with Japan, South Korean President Moon Jae-in said at an event marking the founding of the South Korean military.

South Korea showcased newly acquired F-35 stealth fighter jets to mark Armed Forces Day as Mr Moon tried to allay concerns that his policy of engagement with North Korea would weaken the South's commitment to defence.

He said a South Korean F-15K jet patrolled over the disputed islets called Dokdo in Korea and Takeshima in Japan, which are controlled by Seoul and claimed by both countries, a move that could inflame already strained ties between the two.

"Just a moment ago, the F-15K, the most powerful fighter-bomber in Northeast Asia, has returned from completing a patrol mission over our land Dokdo... without any problems," Mr Moon said in an address to the military.

The defence ministry clarified two out of four jets that took part in the patrol flew over the islands.

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On Friday, South Korean government officials had protested against Tokyo's annual defence review which made a reference to Japan owning the islands. South Korea's foreign ministry summoned a military official at the Japanese embassy in Seoul to demand an immediate retraction.

South Korea and Japan have been locked in a worsening diplomatic and trade row rooted in wartime history and disagreements over compensation for forced labourers during Japan's 1910-1945 occupation of Korea.

After Japan tightened its curbs on exports of high-tech materials vital to South Korea's chip and display industries in July, both countries have removed each other from fast-track trade status.

In July, a Russian military aircraft twice violated airspace over the disputed islands and drew hundreds of warning shots from South Korean jets, South Korean officials said, during what Russia said was a long-range joint air patrol with China.

Japan, which said it also scrambled fighter aircraft at the time, lodged a complaint with both South Korea and Russia over the incident.

The islands had 28 South Korean residents as of Tuesday, according to South Korean police.

F-35 DELIVERIES

Mr Moon marked Armed Forces Day at a ceremony at an airbase in the city of Daegu where four of the eight Lockheed Martin F-35A jets delivered this year were displayed. Forty of the aircraft are to be delivered by 2021.

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He made no direction mention of Japan, or North Korea, in his address, but said today's security climate was highly unpredictable, requiring strength as well as innovation.

"As the recent drone attack in the Middle East region demonstrated to the world, the challenges that we will face will be entirely different from those of the past," he said.

North Korea has criticised the South's weapons procurements and its joint military drills with the U.S. military as undisguised preparations for war that are forcing it to develop new short-range missiles.

Mr Moon has thrown his support behind dialogue to end the North's nuclear and ballistic missile programmes, urging that working-level negotiations between the North and the United States be held soon. No new dates or locations have been set.

Analysts have said the F-35 stealth jets put North Korea's anti-aircraft and anti-missile defence systems in a vulnerable position.