China and Taiwan have reported that China's Liaoning aircraft carrier sailed out of the Taiwan Strait. Its passage through the waters dividing the mainland from the island had raised tensions.
Image: Getty Images/AFP
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In a statement posted on the Chinese defense ministry's website, a spokesman for China's army said the Liaoning carrier group was "visiting the South China Sea to conduct cross-maritime region drills and tests, has passed through the Taiwan Strait and continues with its further duties."
Beijing also said that the carrier's passage through the strait fully compiled with international law.
Taiwanese news outlet Focus Taiwan also reported that the Liaoning completed its passage at 06:30 a.m. local time (2330 UTC).
The self-ruled island announced Wednesday that China's sole aircraft carrier had entered the Strait of water dividing mainland China from what it considers to be its own territory.
China, by contrast, has always claimed sovereignty over Taiwan since Mao Zedong's Communists drove Chiang Kai-shek's defeated nationalists to the island in 1949.
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Beijing's show of strength
Heightened tensions between the two sides have been spurred largely by Beijing's suspicion that the island's President, Tsai Ing-wen, is seeking independence from China.
Since 1949, China has claimed the island as its own while granting it some administrative freedoms.
The two have maintained an uneasy truce. Tensions have on occasion threatened to spill over. In 1995 and 1996, a series of exercises by Beijing prompted the US to deploy warships to the Strait in a bid to defuse the situation.
China's most recent round of military exercises in the disputed South China Sea has also unnerved Beijing's regional neighbors. Aside from being energy rich, the disputed waters are also a key shipping channel. Brunei, Malaysia, the Philippines, Taiwan and Vietnam also have claims to the waters.
The Chinese navy commissioned the Liaoning in 2012 after acquiring the incomplete hull of a Soviet-era aircraft carrier from Ukraine. In December 2015, China's defense ministry announced it would build a second aircraft carrier, but it is not clear when it will be completed.
dm/msh (Reuters)
Beijing's island-building in the South China Sea
Satellite images show the extent and speed of China's land reclamation activities in disputed waters of the South China Sea. The new land masses are believed to be primarily military installations.
Image: CSIS Asia Maritime Transparency Initiative/DigitalGlobe
Runway
China is expanding the construction of its facilities on Fiery Cross Reef. Provided by the Asia Maritime Transparency Initiative (AMTI), this June 28, 2015 photo reveals Beijing has nearly completed a 3,000 meter (9,800-foot) airstrip, long enough to accommodate most Chinese military aircraft. Two helipads, up to 10 satellite communications antennas, and one possible radar tower are also visible.
Image: CSIS Asia Maritime Transparency Initiative/DigitalGlobe
Expansion
Reclamation on Fiery Cross Reef, which lies on the west side of the Spratly Islands, began in August of 2014 and its principal landmass was finished by November. Dredgers have created a land mass that spans the entire existing reef and is approximately 3,000 meters long and 200-300 meters wide.
Image: Reuters//U.S. Navy
Facilities
This picture taken last November shows construction work being carried out on Fiery Cross Reef. The reef reportedly already houses a helicopter landing pad, a 300-meter-long wharf, a harbor large enough to dock military tankers, barracks and artillery emplacements.
Image: CSIS, IHS Jane's
South Johnson Reef
This reef was one of the first facilities to finish principal land reclamation. This recent picture shows that a radar tower is nearing completion at the north end of the land mass. According to AMTI, a new large multi-level military facility has been built in the center of the island. Up to six surveillance towers are being constructed alongside four possible weapons towers.
Image: Asia Maritime Transparency Iniative
A naval base?
Beginning in early 2015, Mischief Reef - also located in the Spratlys - has undergone extensive reclamation activity. Experts say that the recent widening of the southern entrance to the reef, coupled with sightings of Chinese navy vessels, may suggest a future role for the reclaimed reef as a naval base. Taken on March 17, this image shows a chain of small land formations at the reef.
Image: CSIS Asia Maritime Transparency Initiative/DigitalGlobe
From reef to island
Significant construction on Gaven Reef began in 2014, with a total of 114,000 square meters of land already created. Satellite pictures show just how fast construction has progressed on the reef. A new artificial island was created between March (left) and August (right) 2014.
According to AMTI, China has had a troop garrison on Gaven Reef since 2003, which has included a large supply platform where ships can dock. Experts say a new main square building in the reef appears to be an anti-aircraft tower.
Image: AMTI
A standardized process
As seen in this image, the basic process of expanding these features involves dredging sand from the seafloor and dumping it onto the reefs. The structure is raised above the high water line, hiding the status of the bank or reef beneath. The sand is then smoothed out and workers surround the island with a concrete barrier to protect against erosion and storm surge, and begin construction.
Image: CSIS
'Historic rights'
China claims most of the potentially energy-rich waterway, through which $5 trillion in ship-borne trade passes every year. The US Pacific Fleet commander recently said China was "creating a great wall of sand" in the South China Sea, causing serious concerns about its territorial intentions. Beijing argues it is asserting its so-called "historic rights" to maritime resources in the area.
Image: DW
Territorial disputes
The Philippines, Vietnam, Malaysia, Brunei and Taiwan also have overlapping claims, which have led to territorial disputes in the area. Last summer, China's deployment of a massive oil rig in waters also claimed by Hanoi escalated tensions in the region, sparking a standoff at sea and violent anti-Chinese demonstrations in Vietnam.
Image: picture alliance/AP Photo
US concerns
Washington is concerned China's efforts carry a military dimension that could undermine the US' naval and economic power in the Pacific, and has weighed sending warships and surveillance aircraft within 12 nautical miles of the new artificial islands. Washington has repeatedly called on Beijing and others to end reclamation projects in the disputed waters, but Beijing rejects those demands.
Image: Getty Images/AFP/M. Abbugao
Ecological impact
The Philippines filed a formal plea at the UN last year, challenging Beijing's territorial claims. Manila said China's reclamation activities are causing "irreversible and widespread damage to the biodiversity and ecological balance of the South China Sea." It also claimed that the destruction of coral reef systems is estimated to cause economic losses valued at $100 million annually.
