Seoul Sees Territory Threat in China Defense Zone

South Korea Wary That Beijing Vying for Advantage With Disputed Rock
By ALASTAIR GALE And JEYUP S. KWAAK

South Korean Vice Defense Minister Baek Seung-joo, left, shakes hands with his Chinese counterpart, Wang Guangzhong, deputy chief of general staff of the Chinese People's Liberation Army, ahead of their talks in Seoul on Thursday. 

SEOUL—South Korea's forceful response to China's new air-defense zone despite otherwise warming ties reflects concern over Beijing's apparent move to tilt a long-running dispute over territorial waters in its favor, officials and analysts in Seoul said.
On Thursday, Seoul confirmed that a South Korean military plane had flown into the new Chinese zone on Tuesday without giving prior warning to Beijing, a day after the U.S. challenged the Chinese demarcation with two B-52 bombers.
South Korea also called for China to redraw its zone at high-level defense talks on Thursday and, after the request was rejected, said it would consider extending its own air-defense zone. 

Seoul says it will send further flights into the Chinese zone without advance notice.
The assertive stance contrasts with South Korea's initial response to China's declaration of the zone on Saturday. Seoul expressed concern but said then the issue would be resolved through dialogue.

A senior South Korean government official said that the more muscular approach was driven by Seoul's wish to reassert its claims over contested territorial waters within China's new zone, primarily an area of ocean around a submerged rock claimed by both Beijing and Seoul.
The rock, known internationally as Socotra Rock, and Ieodo in Korea, has been the subject of a dispute running for decades. 

The rock, northeast of Shanghai and southwest of the Korean island of Jeju, is one point of disagreement in a bigger dispute about the drawing of the countries' respective exclusive economic zones, or EEZ.
The rock, around 15 feet below sea level, lies in an overlapping section of the countries' EEZs. 

Under United Nations guidelines, a country has rights over use of marine resources in an EEZ within 200 nautical miles from its shores—but in case multiple countries' zones overlap, they must negotiate the maritime border.
Beijing and Seoul have met to discuss the issue 16 times previously without reaching consensus.

In 2003, South Korea completed the construction of a marine research center on the rock, including a helicopter landing pad.
A spokesman for South Korea's defense ministry the country's navy and coast guards conduct routine surveillance with aircraft around Ieodo about once or twice a week on average. 

The senior government official said Tuesday's military flight into China's claimed air-defense zone was made to demonstrate South Korea's jurisdiction over the waters around the rock.
On Monday, a spokesman for China's foreign ministry said there was no dispute over the rock and the issue would be resolved through dialogue.
South Korea's shift from its initially restrained response highlights the domestic pressure it faces with regards to territorial sovereignty, said Kim Han-kwon, director of the Center for China Policy at the Asan Institute for Policy Studies, a Seoul-based think tank.
Though the Chinese air-defense zone isn't set under international law—and has no impact on territory—South Korean politicians and media have treated China's move as an incursion, helping drive a stronger reaction from the government, Mr. Kim said.
"None of the countries (involved in the regional dispute) can step back at this point" or risk losing face, he said.
In addition to the dispute over the rock, South Korea has protested China's move to create 3,000 square kilometers of overlap in the two countries' air-defense zones in the East China Sea. 

After a senior Chinese military official rejected South Korea's demand for Beijing to redraw its zone, his South Korea counterpart said Seoul may increase its own zone, potentially creating further overlap.
The spokesman for the defense ministry in Seoul said the issue of extending South Korea's air-defense zone was under review but declined to provide further details about where it might be increased.
The dispute marks a sharp turn after months of progress in developing closer political and economic ties between Beijing and Seoul. 

During a state visit to Beijing by South Korean President Park Geun-hye in June, the two countries signed a number of agreements and are in discussions about a bilateral free trade agreement.
Ms. Park's personal interest in the Chinese language and culture has also been warmly received in China. South Korea has prioritized ties with China over Japan, which remains in dispute with Seoul over long-running historical and territorial issues.