Ideas

Our allies passed your test, Mr. President. Would we?

A former U.S. infantryman responds to Trump’s amnesiac take on Afghanistan.

Ideas

Defense One Radio, Ep. 202: The known perils of regime change

A scholar of civil wars warns against repeating the past mistakes from U.S. military interventions abroad.

Ideas

Bombing Iran would shore up its regime

External attacks stir up nationalism and redirect public anger outward, a “rally-around-the-flag” effect long documented by political scientists.

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Trump’s Greenland threat has already hurt US security—but far worse may come

A hostile takeover would shatter America’s key alliance, limit its military’s global reach, and invite economic reprisal.

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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.

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Military force can topple a dictator, but it cannot create political authority or legitimacy

Trump is the latest to reach for a military solution of the kind that rarely produces durable peace. 

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Trump’s new ‘battleship’ should not carry nukes

Producing a new nuclear missile for the Navy would leave us less safe.

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Now you can train for the next drone war on simulated Ukrainian front lines

A public version of the simulator used by thousands of Ukrainian drone pilots offers a terrifying glimpse into modern warfare.

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Roundup: US hypersonic-missile efforts

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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.

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Sinking speedboats with a supercarrier: the lopsided cost of Operation Southern Spear

History suggests what happens when the U.S. military outspends a foe by orders of magnitude.

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The US needs more than troops at a Syrian airbase to constrain ISIS, Iran

Continued support for the SDF, plus more burden-sharing, is necessary to protect U.S. interests.

Ideas

The awful arithmetic of our wars

If we don't figure out a way to fight far more cheaply, we won’t be able to afford to win a single battle.

Ideas

More is needed to turn the Marine Corps' aspirations into reality

If the force is truly to have balanced lethality and battlefield resiliency, it will need more ships, missiles, and money.