The White House contends that limited information sharing with the Taliban is saving lives; critics argue it's putting Afghan allies in harm's way.

The move effectively prevents a number of Trump allies, including Corey Lewandowski and David Bossie, from actually serving on panels.

New Delhi and Islamabad had conflicting accounts of a February dogfight.

The decision means that training on American tactics and equipment can move forward uninterrupted if lawmakers don’t reach a funding deal by the end of the month.

The effort to obstruct the Biden team is unprecedented in modern presidential transitions and will hobble the new administration on key national security matters.

The senator pointed to public reports showing possible evidence that GRU bounty offers had been made.

The determination contradicts Russian claims that Ukraine is responsible for the attack.

Retired admiral joins nearly 200 other retired senior leaders who are endorsing Biden.

Morgan Murphy says he resigned after a Washington Post story suggested he took credit for the senator's military nomination blockade.

The transfer of Army Tactical Missile Systems with a nearly 200-mile range ends a yearslong drama between Washington and Kyiv.

Conversations with seven former and current officials reveal that they have been tainted by their time working for Trump.

The Ground-Launched Small Diameter Bomb doesn't even exist in the U.S. inventory.

New Delhi and Islamabad had conflicting accounts of a February dogfight.

Washington has been under intensifying pressure to respond to the attacks, which have repeatedly drawn in American warships.

Trio of resignations follow defense secretary's firing.

A bipartisan group warns that thousands of people are at risk if the U.S. doesn't immediately fix the Special Immigrant Visa backlog.

U.S. military officers who fought in Syria say they are devastated and ashamed by Trump’s decision to abandon Kurdish-led forces.

Jake Sullivan said the U.S. ‘cannot assess’ a U.S. warship was targeted.

The Maine senator, an independent who caucuses with Democrats, is a prominent member of the Senate Intelligence and Armed Services committees.

“We certainly understand and appreciate the urgency and are poised to move quickly,” a Pentagon spokesperson said.

Kyiv has renewed its request for modern fighters in recent days after the U.S. and Germany approved transferring tanks.

U.S. military officers who fought in Syria say they are devastated and ashamed by Trump’s decision to abandon Kurdish-led forces.

Sources say senior officials who would normally be consulted were left out of the loop.

News comes after Washington announced it will lead a coalition of countries training Ukrainian pilots.

Overall, 21 troops have reported minor injuries as a result of the Iran-backed attacks on U.S. positions in Iraq and Syria.

A new book on Trump's White House says he ordered the assassination of Bashar al-Assad.

If approved, the shipment would add to the number of armored infantry vehicles being sent to the front lines by multiple countries.

Guardsmen were later let back into facilities after an outcry from lawmakers.

Kyiv notified top U.S. generals in advance of the plan to launch the two-front attack simultaneously.

Trump touted a cease-fire in northern Syria as a major win, but for who?