Threats
Fears of a nuclear arms race rise as New START expires
Fading U.S. leadership has countries from Poland to South Korea thinking about nuclear-weapons programs of their own.
Threats
Russian hybrid warfare has become indistinguishable from politics
The war of realities in 2026 will determine the reality of war in 2027.
Ideas
Ukraine’s future may turn on upcoming votes in Congress
As lawmakers sprint to fund the U.S. government, America’s support for Kyiv hangs in the balance—and could determine how the conflict ends.
Ideas
On Europe, the Trump administration is out of step with Congress, Americans
Most recognize Russia as an antagonist that must be opposed—with force, if necessary.
Science & Tech
Defense One Radio, Ep. 200: Paul Scharre explains the global AI arms race
The former Army Ranger explores how AI might reshape drone warfare, America's tech race with China, Russia's war in Ukraine, and much more.
Policy