Secretary of State Marco Rubio will travel this week to a NATO foreign ministers meeting in Sweden, where U.S. plans to reduce troop levels in Europe coupled with President Donald Trump’s often inconsistent stance on the alliance have created concern.

NATO’s top military officer says he doesn’t expect any more drawdowns of American troops from Europe — at least not anytime soon — beyond the 5,000 that U.S. President Donald Trump announced would leave the continent.

President Donald Trump is tapping an Air Force fighter pilot with extensive experience as a commander in the Middle East to be the next head of U.S. European Command.

U.S. President Donald Trump has explicitly linked the actions of Yemen’s Houthi rebels to the group’s main benefactor, Iran.

The Defense Department says a U.S. drone strike has killed an Islamic State group leader in Syria.

The U.S. Air Force says Russian fighter jets flew dangerously close to U.S. drone aircraft over Syria again Thursday, setting off flares and forcing the MQ-9 Reapers to take evasive maneuvers.