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Descubre un mundo infinito de historias

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Ryan Evans

Discussions over drinks with security, defense, and foreign policy insiders and experts. The original War on the Rocks podcast series.

War on the Rocks

Well, is it? From defense innovation, to scaling capabilities, to budgets, the answers aren't easy. Ryan was joined by General Sir Richard Barrons of the United Kingdom and Peter Michael Nielsen of Denmark to sort through these issues. Barrons had a storied military career and most recently co-led his country's Strategic Defence Review. Nielsen is Denmark's deputy national armaments director, a role that has unique weight now as Denmark holds the E.U. presidency. This episode was recorded live at a reception in London hosted by our friends at Helsing (https://helsing.ai).

Is Europe Stepping Up on Defense?

The future fight won’t be won by those with the biggest budgets, most polished strategies, or largest armies. It will be won by those who can translate breakthrough technology into usable capability at speed and scale. Ryan was joined by Horacio Rozanski, the CEO of Booz Allen, to talk about the role his company is playing in this race. Having reoriented Booz Allen into a technology integrator, he shares the cultural and organizational challenges of turning Booz Allen into a company of builders, the bets being made on emerging technologies, and how his personal journey — from immigrant to Booz Allen intern to CEO — shapes how he sees change. This is a special cross-posted episode of Cogs of War, our show on defense tech and industry. Click here to subscribe using your podcast app of choice: https://pod.link/1818133762

Cogs of War: Moving at the Speed of War with Horacio Rozanski of Booz Allen

In the wake of summits in Alaska and Washington, the war in Ukraine has become as much about competing diplomatic positions as it is about hard realities on the front. Ryan sat down with Dara Massicot and Mike Kofman to discuss what Putin really walked away with, how European leaders are trying to shore up Kyiv’s position, and whether the conversation over security guarantees could reshape the balance of the conflict. Along the way, they dig into the debate over territorial concessions, battlefield attrition, and what all of this means for Ukraine’s ability to endure.
 
 This episode is supported by Legion. Trusted by special operators and the Defense Department, Legion builds secure, agentic AI for the most sensitive environments — on local servers, in isolated networks, or in government clouds — without ever training on customer data. Learn more at: https://warontherocks.com/legion

From Alaska​ to the White House​ to the Battlefields of Ukraine

We're diving into a major development at the intersection of tech, trade, and national security: the U.S. government’s decision to allow NVIDIA's H20 chips back into the Chinese market. Brad Carson (former defense official and member of Congress) of Americans for Responsible Innovation and Liza Tobin (former CIA and National Security Council staffer) of Garnaut Global join Ryan to explore what this reversal says about America’s approach to protecting its tech edge, whether NVIDIA's justifications hold water, why normal Americans should care about this, and what it could mean for the future of AI and semiconductor strategy. 
 This episode also features a short clip from our new, free show, Cogs of War. You can listen to this exciting new show on defense tech and industrial issues on your podcast app of choice.

The Chip That Crossed the Line? NVIDIA, China, and the Great Power Tech Race

In a time of rapid change and global danger, how should the warriors of the future be educated? Ryan sat down with Vice Adm. Peter Garvin, president of the National Defense University, to tackle this question — one that cuts to the core of American military power. Garvin offers a frank assessment of how professional military education needs to evolve to prepare leaders for a world defined by great-power rivalry, disruptive technologies (including and especially AI), and dynamic battlefields.

Forging Minds for Future Wars

Fresh from his latest research trip to Ukraine's battlefields, Michael Kofman joins Ryan for an insightful discussion on the shifting dynamics at the front, the role of drones in Ukraine's defensive strategy, and the adaptation of Ukrainian military command structures in real time. They explore the political turmoil gripping Ukraine, including contentious reforms targeting anti-corruption agencies, and delve into evolving Western efforts for supplying arms to Ukraine. Their conversation also tackles the implications of President Trump's growing frustration with Putin and provides a clear-eyed assessment of Senator Graham's proposed Sanctioning Russia Act of 2025, and what it might mean (or, not mean) for the future of the conflict. Kofman goes into many of these issues further in his show, "The Russia Contingency," so don't miss out on becoming a member. Join at warontherocks.com/membership

Drones, Discord, and the Shifting Front in Ukraine

Does the United States need a new playbook — or just fewer plays? In this charged episode, big ideas collide over how to sequence American power across the Middle East, Europe, and the Indo-Pacific. Ryan is joined by A. Wess Mitchell (Marathon Initiative), Stacie Pettyjohn (Center for a New American Security), and Justin Logan (Cato Institute) for a scintillating debate over the future of U.S. strategy.

Strategy in Contention: Debating America's Global Priorities

Mike Kofman and Ryan brought out the mics to discuss the pressing issues in the war between Ukraine and Russia. They focused on drones, the state of the front, manpower, Putin's approach to Washington, and the contested policies around continued aid from the United States to Ukraine. This episode features meaty excerpts from an episode of The Insider, featuring an interview with Jakub Jajcay talking about his article, "I Fought in Ukraine and Here’s Why FPV Drones Kind of Suck" as well as an episode of The Russia Contingency featuring a two part conversation with Stephen Kotkin, the leading historian of Russia and authoritarianism. If these excerpts leave you wanting more, you can listen to them by becoming a member: https://warontherocks.com/membership. Our prices are going up soon so today is the perfect day to join.

How Ukraine is Adapting, Enduring, and Striking Back

Gen. Christopher Todd Donahue, who leads U.S. Army Europe and Africa as well as Allied Land Command, joined Ryan for a discussion at WOTR HQ. For the first five minutes, they chat about his Army story, his time in the Ranger Regiment, before discussing how the Army Transformation Initiative is unfolding in Europe, from maneuver brigades, new technologies, command-and-control, drone and counter-drone operations, and more. Donahue previews how the U.S. Army has deliberately identified lessons from the war in Ukraine and how the Army fits into the joint fight.

Gen. Donahue on Deterring Russia in Europe

War on the Rocks is launching a new show called "The Iran Reckoning with Afshon Ostovar." It's a members-only show but this first episode is free for all. Join us as renowned Iran scholar Afshon Ostovar takes you inside one of America's most complex and consequential adversaries. In this episode, Ryan introduces you to Afshon and his background (about the first 20 minutes) before discussing the ongoing war between Iran on one side and Israel and the United States on the other, and the unstable ceasefire that we currently find ourselves in. Much like the "The Russia Contingency with Michael Kofman," this show will feature Afshon's discussions with fellow experts and analysts. Become a member today to listen to them all: https://warontherocks.com/membership

Introducing "The Iran Reckoning with Afshon Ostovar"

Three talented scholars join Ryan in this episode to tackle questions about the future of the international order. ​ Conversations about this topic can often be insufferably dry, but this one definitely isn't -- and not just because of the adult beverages being imbibed as the episode unfolded. Join Mira Rapp-Hooper, Rebecca Friedman Lissner, and Stephen Wertheim for a meaty, fascinating, and historically informed jam session on the future of U.S. power and influence.

Ain't No Party Like a World Order Party

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