Indo-Pacific — 2026-08-22
China Builds 1500-Acre Artificial Island at Antelope Reef in South China Sea With Military-Grade Runway and Deep-Water Port
BLUFAntelope Reef likely reaches paved-runway status by late November, giving PLA Southern Theater Command a second Paracel airfield and tightening the A2/AD envelope over the northern South China Sea.
Satellite imagery dated August 11 provided to The War Zone by Vantor shows China has completed the first phase of construction at Antelope Reef in the Paracel Islands, building a roughly 1,500-acre artificial island after dredgers worked the site for at least ten months before departing 12. The island runs about 3.7 miles long with a 680-meter quay fronting a deep-water harbor, where a China Coast Guard vessel was observed dockside 13. On the northwest side, grading for a runway estimated at up to 10,000 feet is roughly halfway complete with no concrete yet poured, alongside excavation matching the footprint of hangars built at other PLA island bases, per satellite analysis from the Asia Maritime Transparency Initiative 1. Buildings including a helicopter pad had started construction in the southeast corner as of July 19 imagery 3. Chinese state media and a China Daily opinion piece have characterized the work as civilian and "modest," while China's defense ministry did not respond to a Reuters request for comment 23.
AnalysisChina has finished land reclamation at Antelope Reef and moved to airfield and port infrastructure, giving the Southern Theater Command a forward node covering the northern South China Sea approaches to Taiwan. Grading for a 10,000-foot runway and hangar excavation will
likely progress to concrete paving by November 22, extending Beijing's dispersed-airfield network and A2/AD coverage from Hainan's carrier and submarine bases. Analytic confidence is low, reflecting satellite-derived indicators of graded but unpaved surface with no observed paving equipment or material staging yet documented.
3 sources
- China's Massive New Artificial Island In The South China Sea Emerges, Primed For Militarization - The War Zone
- China Completes First Stage of Work at Disputed South China Sea Reef, Images Show - Reuters (via gCaptain)
- China completes first stage at disputed reef - Taipei Times
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