Policy

Ukraine military-aid donors aim to set Kyiv up through 2027, Pentagon says

Thursday’s meeting of the Ukraine Defense Contact Group will be Austin’s last as SecDef.

  • Patrick Tucker
Threats

The D Brief: Anti-ISIS ops continue; How sanctioned oil flows; DOD red-teams AI; Protecting undersea cables; And a bit more.

  • Ben Watson and Bradley Peniston
Science & Tech

SPRINT contractors add details about their fast, runway-independent aircraft

DARPA-SOCOM program managers aim to review the technology-demonstrator designs in April.

  • Defense One Staff
Exclusive Threats

What would it cost to replace US telecoms' Chinese-made gear?

With Salt Typhoon still unpurged from U.S. systems, the Government Accountability Office may try to put a price tag on one immensely complicated countermeasure.

  • David DiMolfetta
Threats

The D Brief: Vegas bomber’s extremist writings; Honduras threatens to eject US troops; Militia-infiltrating mole; A Mexican invasion?; And a bit more.

  • Ben Watson and Bradley Peniston
Policy

Federal background-check overhaul is finally on track, DSCA says

Workers in national security-sensitive positions are now fully enrolled in continuous vetting.

  • Sean Michael Newhouse
Science & Tech

800-plus 'potential vulnerabilities and biases' may afflict AI-infused medical services

A DOD red team looked at the proposed use of large language models to summarize clinical notes and drive an advisory chatbot.

  • Edward Graham
Science & Tech

Marines still targeting 2030 for Hornet replacement, despite F-35 delays

A California group commander explains how MCAS Miramar is prepping for the transition.

  • Audrey Decker
Policy

Trump's promise to build more warships is on a collision course with his deportation pledges

The president-elect's efforts to clamp down on immigration could make it hard for shipyards already facing workforce shortages.

  • Nicole Foy, ProPublica
Ideas

Lone-wolf attacks have become a hallmark of post-caliphate ISIS

The group's propaganda inspired the New Orleans attack, which proceeded without direct operational support.

  • Sara Harmouch, The Conversation
Threats

The D Brief: NOLA attacker acted alone, FBI says; China’s new jets; Cyber breaches hint at what’s next; US Steel sale blocked; And a bit more.

  • Ben Watson, Bradley Peniston and Audrey Decker
Science & Tech

China’s escalating cyber attacks highlight Biden, Trump differences

The incoming administration aims to reduce government’s role in cybersecurity—but also to increase its offensive actions.

  • Patrick Tucker
Threats

The D Brief: New Orleans attack; US, Israeli strikes in Yemen; Africa’s ‘new era of war’; What drove Afghanistan lies?; And a bit more.

  • Ben Watson, Bradley Peniston and Meghann Myers
Ideas

2024 in review: Commentary

Defense One contributors gathered lessons from around the globe and looked ahead to the new administration.

  • Defense One Staff
Defense Systems

2024 in review: Defense systems

Satellites, bombers, and drones of every description are just some of the year's top systems stories.

  • Defense One Staff
Ideas

2024 in review: Space Force

The year saw challenges in orbit and on the ground as the young service continued to expand.

  • Defense One Staff
Ideas

2024 in review: Marine Corps

A new kind of regiment, more drones, and new techniques—and other stories about the Corps.

  • Defense One Staff
Ideas

2024 in review: Air Force

China shakeup, bombers, jammers, ICBM—it was a busy year.

  • Defense One Staff
Ideas

2024 in review: Navy

Bracing for the future, grappling with shipbuilding woes, watching China—and more stories about the sea service.

  • Defense One Staff
Ideas

2024 in Review: Army

Lessons from the Ukraine war—and what might come next—dominated the news.

  • Defense One Staff
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