USA | Security

National security officials are using commercial apps over secure communications systems that feel burdensome. New apps offer privacy, but are easier to hack.

As America marks the Vietnam War’s 50th anniversary, both nations continue to seek ways to partner beyond the legacy of a complicated conflict.

Many U.S. military officials welcome the idea of strategic reforms. But they worry now about upheaval without strong civilian leadership.

U.S. military branches are being told to find budget cuts to offset the proposed $50 billion increase in defense spending. One challenge is that identifying some unnecessary spending requires leaders to predict what the military may be needed for in the future.

Secretary of Defense Pete Hegseth stresses “lethality” as the U.S. military’s sole focus. But downplaying rules of engagement can come with consequences for those doing the fighting.

The disclosure that senior Trump administration officials used a commercial messaging app to discuss secret military attacks has drawn bipartisan criticism – and risks hurting U.S. military morale.

Attacks on Tesla cars and dealerships exemplify a wider challenge of homegrown political and extremist violence. The solutions may be as diverse as the threats.

President Trump fired six military leaders after taking office, raising questions about whether he is choosing new leaders based on politics or military merit. 

After President Donald Trump’s public rebuke of Ukraine’s president, European leaders are attempting to step up their defense of Kyiv and adjust to shifting security norms.

As President Trump aims to broker peace, a potential U.S. deal over mineral rights has implications for Ukraine’s security and U.S. posture in Europe.