Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology. She ...

First, the geographic combatant commands would be reorganized around threats such as China, Russia, Iran, North Korea and Homeland Defense, with each command responsible for planning and ...

Notifications about their speaking engagements went out Tuesday afternoon, just days after President Trump fired the head of ...

Two top Republican lawmakers who lead military oversight committees expressed concern on Wednesday over a possible shake-up of the United States’s combatant command structure. US military ...

With the Pentagon reportedly undertaking widespread restructuring of combatant commands, there is a plan to potentially abandon the U.S. role of SACEUR, or the NATO's Supreme Allied Commander Europe.