Trump shifted Greenland to U.S. Northern Command, placing key Arctic base under homeland defense in a major move to bolster security amid rising global tensions.

President Donald Trump ordered the Pentagon to move Greenland into the U.S. Northern Command area of responsibility in a shakeup that comes as the president looks

The adjustment will shift responsibility for Greenland from U.S. European Command to U.S. Northern Command. In its announcement, the Pentagon framed the revision as part of a broader review of its Unified Command Plan,