The failure to protect NATO territory further increased anxiety about alliance solidarity, Russia’s intentions and Washington’s commitment to collective defense.

© Andreea Campeanu for The New York Times

The president has wavered on whether to move ahead with an agreement with Iran to end the war. On Friday, he vowed to make a “final determination” soon.

© Doug Mills/The New York Times

Are we ready for autonomous drones to make life-and-death decisions on the battlefield? Christian Brose, the chief strategy officer of Anduril Industries, explains on “Interesting Times” that the Pentagon’s official policy leaves the door for autonomous weapons wide open.

America has fired “something like eight years’ worth of Tomahawk missile production” in Iran, Christian Brose, the chief strategy officer of Anduril Industries, says on “Interesting Times,” where he and the Opinion columnist Ross Douthat discuss the limitations of America’s arsenal of “luxury” weapons.

President Trump’s pendulum swings on Iran have often seemed driven by mood and moment rather than any discernible strategy.

© Doug Mills/The New York Times

The American blockade and Iran’s control of the Strait of Hormuz have created a stalemate that is neither peace nor raging conflict, with both sides attempting economic strangulation on the water.

© Reuters

Ukraine and Iran have shown us that war as we’ve known it is over.

© The New York Times

Three reasons Trump is losing the war in Iran.

The deal is part of a broader effort by the Trump administration to press Latin American countries to agree to joint operations inside their borders.

© Daniele Volpe for The New York Times

Three reasons Trump is losing the war in Iran.

Ukraine and Iran have shown us that war as we’ve known it is over.

Ukraine and Iran have shown us that war as we’ve known it is over.

The only charge lodged against David Rush is that he inflated his academic credentials and obtained military leave pay worth tens of thousands of dollars.

© Tom Brenner for The New York Times

A truce isn’t necessarily doomed if the missiles are still flying. Here’s why.

Luke Morrison may be the youngest person keeping alive an age-old tradition: to process war through the memories and mementos of those who experienced it.

The president has shifted the foundations of American policy toward China, throwing aside the adversarial approach of recent years.

M. Gessen and Rachel Louise Snyder on the parallels between authoritarianism and domestic violence.

As the U.S. tries to rebuild its weapons stockpiles drained in the Iran war, it will need access to rare-earth minerals, an industry China dominates.

As the U.S. tries to rebuild its weapons stockpiles drained in the Iran war, it will need access to rare-earth minerals, an industry China dominates.

President Trump was greeted by China’s vice president, Han Zheng, and other officials, as well as a military honor guard.

“You name it, we’re investing in it” does not inspire confidence.

With talks at an impasse, both sides are holding to positions their opponents call unacceptable, while the economic pain caused by the Strait of Hormuz blockade continues to grow.

Defense secretaries have previously traveled with presidents on overseas trips, to provide advice and represent the U.S. military.

How the economic shock waves of Trump’s Iran war will be felt globally.

China’s top diplomat also warned against the restarting of hostilities as he met with Iran’s foreign minister. The U.S. has urged China to pressure Iran to reopen the waterway.

President Trump’s predictions of a relatively short-term conflict with minimal economic consequences appear to be crumbling.

A 19th-century military strategist should be required reading at the Pentagon.

The Pentagon’s rush to rearm its Mideast forces makes it less ready to confront potential adversaries like Russia and China, administration and congressional officials say.