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China is building a new base for strategic bombers in the South China Sea, which could tip the scales in a potential war over Taiwan in Beijing's favor. Satellite images show that a tiny submerged coral reef in the disputed Paracel Islands is being transformed into a forward staging area. A 3,000-meter runway is being built there to deploy heavy weapons, preparing a base for H-6 nuclear bombers and supersonic missiles capable of destroying aircraft carriers. Just 13 kilometers away, they are building a network of advanced early warning radars to control them. Join us as we explore this important site and try to figure out what exactly the Chinese are building and what it means for a potential war over Taiwan, in
this edition of Photo Evidence. The South China Sea is one of the world's most important waterways, carrying trillions of dollars in trade each year. Along it are scattered hundreds of small islands, reefs and underwater features, many of which are claimed by several countries simultaneously. China has built 20 outposts in the Paracel Islands and seven more in the Spratly Islands. Four of them have been transformed into major air and naval bases. Three of them are located in the Spratly archipelago-Fiery Cross, Mischief, and Subi-and another one is further north, on Woody Island in the Paracel Islands. The Paracel Islands are located 350 kilometers southeast of the Chinese island of Hainan and 200 kilometers off the
coast of Vietnam. Hainan is home to China's most important military facilities, including the Sanya Naval Base, home to a fleet of nuclear submarines that are a key part of Beijing's nuclear deterrent. The Paracel Islands give China a forward position far beyond Hainan, extending its military presence deep into the South China Sea. For much of the last decade, China's island-building campaign has largely focused on maintaining and modernizing existing bases. Then, in late 2025, China began a new phase of large-scale reclamation work on Antelope Reef. Just 13 kilometers away, construction began on the tiny Yagong Reef. Advancing so far north shifts China's operational focus away from Southeast Asia,
bringing their new outposts hundreds of kilometers closer to the Taiwan Strait. It is here that a new phase of China's military buildup in the South China Sea is currently taking shape. By the end of 2025, it was barely an island. This is Antelope Reef, a mostly submerged coral reef in the Paracel Islands, about 116 nautical miles south of Hainan. In December 2025, the Chinese presence was limited to a small outpost on the southeastern side of the reef. Further along the eastern edge, the first signs of dredging can be seen. Those long, pale ship tracks are sediment plumes formed when milling dredgers rip up the seabed and pump a mixture of sand, rock, and silt through pipelines, creating solid ground around
the perimeter of the reef. The vessels turned off their AIS transponders, which normally broadcast the ship's location and identification data, effectively becoming "invisible" at the start of the dredging operations. But they couldn't disappear from the satellites. This is the beginning of a transformation that will transform Antelope Reef from a mostly underwater reef into one of China's largest artificial islands in the South China Sea within a few months. Just 2 months later, in February 2026, it developed rapidly. You can see at least 24 excavators working in different directions. Look here, at the eastern approach to the lagoon. A channel was built through the reef, creating an entrance for
construction ships. By August 2026, the transformation became undeniable. Eight months after dredging began, the reef had become an artificial island of nearly 1,500 acres, larger than Woody Island and only slightly smaller than Mischief Reef. On the eastern side, China was building a deep-water harbor with a pier over 2,000 feet long. This is a large enough facility to accommodate significant naval, coastal, and logistics vessels. Elsewhere, there is a helipad, administrative buildings, residential and auxiliary facilities. Temporary piers appeared around the lagoon, as well as two concrete plants. The elements began to come together into a single picture. This was evolving into an autonomous outpost with its
own port facilities and industrial support. But one feature stands out among the others. If we zoom in on the northwest part, we see preparations for what looks like a runway. This strip of land is about 180 feet wide-the same width as China's military airstrips at Woody, Fiery Cross, Subi, and Mischief Reefs. Only about 4,300 feet of terrain has been leveled so far, but earthworks on the same axis are progressing to the 10,000-foot mark required for long-range military aircraft. Directly along this runway, workers are excavating a massive 200-by-200-foot structure, creating about 40,000 square feet of space. Although Beijing publicly states that this infrastructure is intended for civilian use, a facility of this scale
is designed to accommodate large military aircraft, such as heavy transport aircraft, aerial refueling tankers, and strategic bombers. To understand what this planning really means, we need to look 45 miles to the northeast , to Woody Island, the military center of the Paracel Islands. Woody Island gives us the definitive blueprint for Antelope's future. Its existing military runway is approximately 10,000 feet long and about 180 feet wide-the exact dimensions that China is now copying at Antelope. While Woody Island has compact 70-by-120-foot fighter hangars, its larger strategic aviation hangars match the 200-foot ones currently being prepared at Antelope Reef. Antelope
is in the early stages of construction, but the strategic geometry is identical. We don't need to guess what China will eventually do with such an airfield. We've already seen what types of aircraft it can support on Woody Island. In May 2025, satellite imagery captured three separate military platforms on Woody Island: a KJ-500 early warning radar aircraft, two Y-20 heavy transports, and an H-6 strategic bomber. These are not fighters. The H -6 is China's main heavy long-range missile carrier. This aircraft is derived from the Soviet Tu-16 bomber of the 1950s, but China has repeatedly rebuilt and modernized it over the decades.
Modern variants of the H-6 have a huge combat radius of 2,000 miles. They are designed for remote warfare, carrying heavy munitions over vast distances and launching them hundreds of miles away, safely beyond the reach of enemy air defense systems. For ground targets, it uses the CJ-20 cruise missile, which carries a nuclear or conventional warhead to a range of up to 930 miles. For maritime threats, it carries a high-speed anti-ship missile called the YJ-12. This weapon flies at four times the speed of sound and is specifically designed to bypass defenses and destroy US Navy aircraft carriers from up to 310 miles away. China is not just testing this planning. They are actively implementing it. In
September 2025, the defense publication Janes confirmed the deployment of two H-6 bombers to Woody Island, assessing that they were almost certainly deployed in response to activity in the region. This introduces a critically important new variable into the conflict over Taiwan. We don't know if H-6 bombers will be permanently based at Antelope Reef, but the size of the runway, the 200-foot hangars, and the real-world precedent at Woody Island prove it's possible. An airfield is only as useful as the information that supports it. By copying the layout of Woody Island and adding a second outpost just 8 miles away, China is not just duplicating its old bases, they are creating an extremely resilient network of forward-deployed
strike forces. To understand how China plans to defend its new runway, we must look 8 miles to the northeast, to a much smaller feature in the Paracel Islands- Yagong Island. It's this tiny speck right here. Until recently, Yagong was nothing more than a small fishing outpost. Satellite images from 2022 show a handful of buildings clustered around the island, some vegetation, and a small pier on the western side. The pier was used by local fishing boats, and there was no military presence on the island itself Construction began around March or April 2026, and within just a few months, a completely new structure appeared on the island. It has three "
arms" extending from the central structure, creating a characteristic Y- shaped appearance. This structure is not a barracks or a repair hangar. Each arm ends in a large octagonal facet-an architectural feature that security analysts identify as a large stationary phased array radar. Stationary phased array radars are a rare and expensive technology. Unlike standard rotating radars, which can be "blind" for critical seconds during rotation, the three-phase fixed array provides constant 360-degree coverage throughout the entire airspace. Analysts believe that this structure is designed to house a synthetic aperture radar, known as SAR. This is the same anti- stealth technology that China recently deployed further south on Subi Reef and
Triton Island. The use of SAR allows Beijing to "penetrate" radio-absorbing coatings and track American stealth aircraft such as the F-35 and B-21 Raider at distances of up to 250 miles. By separating the sensors and the runway, China is creating an integrated and highly efficient network. In the event of a conflict over Taiwan, if a US carrier strike group launches a salvo of low-flying Tomahawks to destroy the airfield on Antelope Reef, the isolated radar on Yagon Island will remain operational. It is safely located 8 miles away, continuously monitoring these threats and transmitting precise target coordinates to the anti-aircraft missile batteries defending the airfield. If the Antelope Strip acts as a "fist," then Yagon serves as the
"eyes" guarding the northern entrance to the South China Sea. So why is China building such a large island and why does it need a radar installation just 8 miles away? Antelope Reef is located less than 200 miles south of Hainan, which places it firmly within China's existing fortified naval base. In the war for Taiwan, this island is not just a defensive outpost, but an offensive bridgehead designed to rewrite the rules of engagement for the United States and its allies. By deploying H-6K bombers with a 3,000-mile range of missiles in the Paracel Islands, China can threaten every frontline American defense facility. Take Manila in the Philippines, located just 590 miles to the east. If the US uses Philippine bases to move troops
, aircraft, and supplies north to Taiwan, H-6Ks taking off from Antelope Reef could strike these vital points before US forces can deploy. Also, there is Okinawa in Japan, about 1,200 miles away. Okinawa is home to Kadena Air Base, the main center of US air dominance operations near Taiwan. And Antelope Reef puts Kadena in a convenient targeting position for H-6K bombers. Finally, consider Guam, the main American stronghold in the western Pacific, located just over 2,100 miles away. This island is a critically important logistical hub for American strategic bombers and submarines.
However, the deployment of forces on Antelope Reef allows China to put Guam at the very edge of its strike capabilities. The maritime threat is no less serious. By extending patrol lines much further into the western Pacific and the Philippine Sea, these bombers can track and intercept U.S. carrier strike groups, such as the Japan-based USS George Washington, before those ships get close enough to launch their F- 35s to defend Taiwan. This is where the tactical partnership with the anti-stealth radars on Yagon Reef and the fortified hangars on Antelope becomes apparent. China understands that a 10,000-foot runway is a high-value target that the US
will immediately attempt to destroy with Tomahawk missiles. But by separating radar systems from the runway and hiding planes in blast-proof bunkers, China is building an infrastructure network capable of surviving the first salvos of war and continuing hostilities. Ultimately, the Paracel Islands solve China's biggest dilemma in the South China Sea. While China's well-fortified bases in the Spratly Islands may dominate Southeast Asia, they are located 500-620 miles to the south. In the event of a direct war over Taiwan, the bases in the Spratlys are too far away. Bombers taking off from there would waste precious fuel and time just to reach the war zone. And Subi Reef is close enough to mainland China and Hainan Island to easily receive support
under the umbrella of Chinese air defense, but far enough out in the ocean to expand the PLA's capabilities. It is the perfect sentinel of the northern South China Sea, ensuring that if the US tries to defend Taiwan, it will have to break through a network of hypersonic missile zones. The transformation of Subi Reef from a submerged shoal to a military outpost is a clear step by Beijing to redraw the map of influence in the western Pacific. They are putting every American beachhead from the Philippines to Okinawa, and even Fortress Guam, under the sights of a single forward operating base.
Subi Reef potentially provides the PLA with a launch pad to blind American sensors, block international shipping lanes, and launch a swarm of supersonic anti-ship missiles before U.S. forces arrive. But the effectiveness of this network depends on the accuracy of the targeting data that feeds it. This is where the nearby radar facility, located just 8 miles away, becomes a critical piece of the puzzle. By separating sensors from the runway, China is creating an extremely resilient network of "eyes and ears" that the US will find extremely difficult to completely disable. Ultimately, the Subi Reef does not guarantee an automatic victory for Beijing, but it does force Washington to rethink
its strategy. This turns the conflict in the Taiwan Strait into a much broader and more dangerous regional war. If war breaks out, Taiwan's fate may well depend on whether the US and its allies can neutralize the threat emanating from the airstrip on Subi Reef.
