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A Candid Conversation on Philippine Defense Strategy: Insights from Defense Secretary Gibo Teodoro
A Candid Conversation on Philippine Defense Strategy: Insights from Defense Secretary Gibo Teodoro
SeaLight Director Ray Powell's exclusive interview with Philippine Secretary of National Defense on the challenges of building a credible deterrent against an increasingly aggressive superpower.
JUL 15, 2025
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Beijing's Disinformation Campaign Against West Philippine Sea Transparency
On July 4th, Executive Director Ray Powell issues a public statement of Beijing's campaign to discredit SeaLight and the Philippines' transparency program.
JUL 6, 2025
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Iran’s Maritime Gray Zone: Tactics, Threats and the Strait of Hormuz
Iran’s maritime gray zone activities have long been central to its approach towards the Persian Gulf at large. The Islamic Revolutionary Guard Corps Navy and the regular Iranian Navy both play key roles, often coordinating with regional partners and, increasingly, with Russia and China.
JUN 25, 2025
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Gray Zone Tactics Playbook: Intrusive Surveying
China's oceanographic survey activities routinely conflate legitimate scientific research with assertion of excessive maritime claims and collection of military intelligence--a classic gray zone tactic.
JUN 3, 2025

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What is SeaLight?

SeaLight is committed to lighting up the maritime gray zone so that bullies and criminals can no longer hide in the darkness while they harass law-abiding fisherfolk; destroy the marine environment and fish stocks; prevent legitimate exploration and survey activities; and violate international law and other countries' sovereign rights.
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Latest Resources

South China Sea-related materials, maps, media, databases, and more. Collected and curated in our searchable research library.
China Maritime Report No. 46: China's Fishermen Spies: Intelligence Specialists in the Maritime Militia
Published JUN 22, 2025
Collecting and reporting maritime intelligence is a core mission of China’s maritime militia.
Securing The Indo-Pacific Amid Rising Tensions
Published JUN 4, 2025
The Mission Ready Podcast sits down with Ray Powell, a retired U.S. Air Force officer with 35 years of experience, to unpack key issues shaping the region: ➡️ U.S.–China relations & historical context ➡️ Defense strategy shifts in the Philippines ➡️ Multinational military exercises like Balikatan ➡️ Maritime transparency and public-private partnerships ➡️ China’s civil-military fusion strategy
Chinese Aggression Fuels Indo-Pacific Grey Zone Wars
Published JUN 4, 2025
China’s approach in the South China Sea is becoming far more aggressive. How does America view the rise of grey zone conflicts in the Indo-Pacific? In this illuminating episode, Ray Powell and James Carouso, hosts of the “Why Should We Care About the Indo-Pacific?” podcast, dive into the critical importance of this region for global security and its implications for the second term of the Trump administration.
Shedding Light on China’s Gray Zone Activities in the Indo-Pacific
Published JUN 4, 2025
On this episode of the Defense Tech Underground , SeaLight Director Ray Powell describes his 35 year career in the United States Air Force, his path to Stanford, and his journey to founding SeaLight. He explains China’s gray zone tactics in the South China Sea and SeaLight’s efforts to shed light on those activities. Ray offers insight into needed countermeasures to build up readiness and deterrence as well as the broader geopolitical landscape in the Indo-Pacific.
China's Fishermen Spies: Intelligence Specialists in the Maritime Militia
Published APR 26, 2025
China Maritime Report No. 46 from the U.S. Naval War College's China Maritime Studies Institute
China Global South Podcast: South China Sea
Published APR 19, 2025
Ray Powell, director of the Sealight initiative at Stanford University's Gordian Knott Center for National Security Innovation and host of the "Why Should We Care About the Indo-Pacific Podcast," joins Eric and CGSP Southeast Asia Editor Edwin Shri Bimo to discuss why the national security team in Washington remains appears to be more committed to the Philippines than other alliance partners.
South China Sea: Escalating tensions between China and the Philippines | 101 East Documentary
Published APR 5, 2025
Al Jazeera documentary on the tensions between the Philippines and China over the South China Sea.
ASPI: Pressure Points
Published MAR 26, 2025
Pressure Points by the Australian Strategic Policy Institute analyzes the Chinese military's use of air and maritime coercion to enforce Beijing's excessive territorial claims and advance China's security and defense interests in the Indo-Pacific.
Submarine Cable Map
Published MAR 25, 2025
The Submarine Cable Map is a free and regularly updated resource from TeleGeography.
Taiwan Security Monitor
Published MAR 25, 2025
Taiwan Security Monitor (TSM) is a student-driven research initiative dedicated to informing and improving the public discourse on cross-Strait security issues. Focused on the intersection of open-source research, geospatial data, and policy analysis, TSM provides timely and valuable insights into the evolving cross-Strait security landscape. TSM’s lines of effort includes tracking major military movements, maintaining a comprehensive repository of resources related to cross-Strait security, analyzing visual imagery, and compiling historical data on foreign military sales to Taiwan. By leveraging open-source intelligence (OSINT) tools and techniques, TSM’s team of student researchers monitor key developments and present clear, data-driven insights for policymakers, journalists, researchers, and the public. TSM is directed by Dr. Michael Hunzeker, an associate professor at George Mason University’s Schar School of Government and Policy.
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In The News

Our finds on the latest articles and information from outside of the SeaLight team.
China uses "dark fleet" to buy oil from Iran and evade U.S. sanctions in international waters
Published AUG 2, 2025
A CBS News investigation has revealed that China is still secretly buying Iranian oil and evading U.S. sanctions by using what's known as a "dark fleet" to transfer oil from ship to ship in the middle of the sea.
Philippine fisheries vessel blocked by Chinese ships near Sandy Cay — group
Published AUG 6, 2025
A vessel of the Bureau of Fisheries and Aquatic Resources (BFAR) was forced to turn back near Sandy Cay in the West Philippine Sea on Wesnesday morning after being blocked by at least three Chinese maritime militia ships, a maritime security analyst said.
How a New Asia Alliance Is Challenging China
Published AUG 6, 2025
India and the Philippines have staged their first joint naval exercises in the South China Sea in a signal to Beijing.
PCG challenges presence of ‘highly militarized’ CCG ship off Pangasinan
Published AUG 5, 2025
The Philippine Coast Guard (PCG) challenged the presence of a China Coast Guard ship off the coast of Pangasinan in the West Philippine Sea.
India and Philippines to Launch First Joint Maritime Drills in South China Sea
Published AUG 2, 2025
The Philippines and India will hold their first joint maritime exercises next week in the South China Sea where China’s aggression has caused alarm.
Two Chinese government ships enter Japan's waters off Senkaku Islands
Published AUG 5, 2025
Two Chinese government ships entered Japan's territorial waters off the Senkaku Islands in Okinawa Prefecture in the East China Sea early Saturday.
Indian, Philippine Navies to Hold First South China Sea Joint Patrol
Published JUL 31, 2025
India’s latest operational deployment to the South China Sea will feature its first joint patrol with the Philippines in the contested waters.
China ships return to West Philippine Sea as weather improves
Published JUL 26, 2025
After severe weather conditions caused by a series of tropical cyclones and the enhanced southwest monsoon (habagat) in the Philippines, several Chinese Coast Guard (CCG) vessels returned to Scarborough Shoal (Bajo de Masinloc) on Saturday, according to the West Philippine Sea (WPS) monitor.
Storms shoo away Chinese intruder near Manila Bay
Published JUL 24, 2025
A China Coast Guard (CCG) ship that came alarmingly close to Manila Bay appears to have been forced to retreat by rough seas, maritime watchdog Sealight said on Thursday.
Pentagon Eyes Southern Philippines as Refueling Hub for U.S. Warships, Military Aircraft
Published JUL 23, 2025
Pentagon Eyes Southern Philippines as Refueling Hub for U.S. Warships, Military Aircraft Aaron-Matthew Lariosa July 22, 2025 4:56 PM - Updated: July 22, 2025 5:32 PM Nimitz-class aircraft carrier USS George Washington (CVN 73) conducts a fueling-at-sea with motor tanker Allied Pacific while underway in the Philippine Sea, June 28, 2025. US Navy photo The Defense Logistics Agency is looking to expand its maritime refueling capacity from the Philippines by contracting companies on the southern island of Mindanao to supply up to 42 million gallons of fuel a year, according to new documents.
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JUL 12, 2023
SeaLight is live! Let's light up the maritime gray zone.
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