Ideas

Trump Doesn't Have the Authority to Attack North Korea Without Congress

The decision to engage in armed conflict rests with the legislative branch, a requirement that is neither a formality nor outdated.

Ideas

Our Navy is Broken, and That is a Bad Thing

The fleet’s problems stem from decades of flat acquisition budgets and declining ship numbers.

Ideas

Lower-Yield Weapons Will Raise, Not Lower, the Threshold for Nuclear Use

Giving the U.S. president more flexible options will improve deterrence.

Ideas

As Independence Vote Nears, Iraqi Kurds Play a Risky Game of Chicken

Kurdistan’s president called the referendum to extract concessions from Baghdad. What if it doesn’t work?

Ideas

The North Korean Threat Beyond ICBMs

Even without them, the Kim regime can menace its immediate neighborhood—or sell nuclear material to rogue states.

Ideas

How James Mattis Tried to Explain Trump to the World

Just as Mattis sought to reassure nervous allies, back home there were numerous reminders that the populist and intemperate impulses of his boss will not be tamed.

Ideas

Trump’s Path to Indefinite Afghan War

President Trump’s much-anticipated Afghan policy rightly avoids troop withdrawal timelines but offers little prospect for progress against the durable Taliban.

Ideas

When Will Enough Be Enough in Afghanistan?

At some point, a president might have to acknowledge to the military: We fought hard, but we have other, greater priorities elsewhere.

Policy

Tell Me What an Afghanistan 'Win' Looks Like

Campaign-trail rhetoric aside, his inability to define victory was the most troubling part of his speech.

Ideas

Cyberwar on Iran Won't Work. Here's Why.

A renewed campaign of covert network attacks is more likely to spur Tehran’s nuclear efforts than hinder them.

Ideas

America Needs to Stay in Afghanistan

'U.S. Afghan policy for 15 years has not been nation-building, but exit-seeking.'

Ideas

It's Time To Make Afghanistan Someone Else's Problem

A full withdrawal of U.S. forces will force Iran, Russia, and others, to step up.

Ideas

Rename US Army Bases for Heroes, not Confederates

Our soldiers should walk through gates that honor those who fought for the United States, not against it.

Ideas

Why Military Chiefs Are Condemning White Supremacy

The U.S. armed forces have had troubles with extremists enlisting in the past, and they don’t want it to happen again.

Ideas

It’s Getting Too Easy to Create Dangerous Viruses

The upcoming national biodefense strategy should ensure that scientific journals don’t help terrorists learn how.

Ideas

Turkey’s Potemkin Defense Industry

Why does President Erdogan want the appearance of a self-sufficient defense industry more than the actual existence of one?

Ideas

America Is Not Ready for a War in North Korea

If loose words about fire and fury are a mere negotiating tactic, they will not deliver what the United States desires.

Ideas

Why Trump Is Wholly Unsuited to the North Korea Crisis

The president confronts a situation that calls for a trustworthy, careful, decisive leader drawing on all available expertise.

Ideas

Summer Reading 2017: Defense One’s Top Picks

Here are some big ideas for you while soaking up the sun or just relaxing on your summer vacation.