Jihoon Yu
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Latest from Jihoon Yu

North Korea
Tactical Nuclear Options and the Future of U.S.-ROK Extended Deterrence
The U. S.

Military Strategy
Responsible Military AI in the Indo-Pacific Requires More Than Ethical Principles
Artificial intelligence may allow Indo-Pacific militaries to decide faster, but speed without reliability could make the region’s next crisis harder...

North Korea
North Korea's Naval Buildup Will Stretch Allied Forces Across the Indo-Pacific
North Korea’s naval modernisation is still in its early stages. Much of its surface and submarine fleet remains outdated, while its more ambitious...

U.S. Navy
South Korea's Nuclear-Powered Submarine Ambition
South Korea’s nuclear-powered submarine ambition has entered Washington’s strategic agenda. The inclusion of related language in the appendix report...

U.S. Navy
South Korea's Jangbogo N Project Is More Than a Nuclear-Powered Submarine
South Korea’s basic plan for a nuclear-powered submarine marks one of Seoul’s most consequential defense decisions. The government has formally named...

Maritime Strategy
The Strategic Importance of Critical Maritime Infrastructure
The Strategic Importance of Critical Maritime Infrastructure (CMI) for the United States, South Korea, and Japan Critical maritime infrastructure has...
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Iran
Iran's War Is Testing the ROK-U.S. Alliance
The current Iran crisis is not a distant Middle Eastern contingency for South Korea. It is a direct test of how the ROK-U.

Indo-Pacific/Asia
Why the Arctic Matters for the ROK–U.S. Alliance
The Arctic is no longer a distant periphery. It is becoming a strategic connector linking North American homeland defense, NATO reinforcement, and...

Grand Strategy
What the 2026 U.S. National Defense Strategy Means for the ROK–U.S. Alliance
The newly announced 2026 U. S.

Military Strategy
Competing Visions for a ROK SSN
With the Trump administration undertaking a wide range of foreign policy initiatives over the past several months, its announcement in November that...

In Pursuit of Nuclear Abolition
By Peter Huessy • RealClearDefense
Innovation Alone Won’t Prepare the U.S. for the Future Battlefield
By Joshua Segal • RealClearDefense
The sUAS Tactical Trifecta
By Bryan T. Woody • RealClearDefense
The Revolutionary War: When Strategic Options Share the Same Weakness
By Henry Yep • RealClearDefense
The Houthis Are Testing the Limits of Collective Defense
By Saima Afzal • RealClearDefense

Who Shoots Down the Drone Over the Shipyard?
By John Ferrari & Dillon Prochnicki • RealClearDefense
Northrop Grumman Breaks Out the Big Guns at AUSA
By Daniel Terrill, Defense News
Army Pursuing Diverse Array of New Anti-Air Interceptors
By Trevithick, The WarZone
Who Shoots Down the Drone Over the Shipyard?
By John Ferrari & Dillon Prochnicki, RCD
F-35C Lands for the First Time on a Ford-Class Aircraft Carrier
By The Aviationist
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