Samantha Power did not set out to justify war.

An Afghanistan veteran reckons with growing up on G.I. Joe and growing tired of American war drums.

There's a widening gap between Washington's bipartisan militarism and veterans' bipartisan war-skepticism.

Trump's self-aggrandizing July 4th parade is neither in good taste nor the spirit of the holiday—and Congress should ensure it never happens again.

There's nothing progressive about distilling war's ravages down to a half-baked, Adam Smith–style exercise in taxpayer burden-sharing.

To avoid war with Iran, the president needs to haul out his Apprentice-era catchphrase.

How did facial hair win American men’s hearts and minds? Thank the war on terror.

High defense costs are one of the surest ways to hasten a great power's decline.

Trump's plan to free white service members accused of overseas atrocities both typifies and strengthens his Fox News feedback loop.

How the United States reinvented empire

The U.S. and the Taliban are approaching a peace deal. But a new survey suggests a key component of national security is getting worse.

What arguments for a more humane approach to war conceal

The president's latest defense of his cozy relationship with Russia underscores his warped view of war.

The president and the Pentagon have different national-security doctrines, but they've found a dangerous common ground.

Michelle Obama said the presidency "reveals who you are." Trump's handling of the deaths of four U.S. soldiers proves her right.

The missile attack on Syria shows how the president has caved to the Pentagon—with deadly consequences for U.S. foreign policy.

A private contractor tossed U.S. military waste in Iraq and Afghanistan into giant pits and burned it. Now soldiers forced to breathe the toxic fumes are sick or dying—and the government is using faulty science to evade responsibility.