[theold]

Moving Greenland to Northern Command, which is in charge of defending the homeland, is a symbolic statement suggesting a view of Greenland as more a part of the defense of the U.S. than of Europe. 

In the eyes of the U.S., the move treats Greenland more like Canada and less like a part of the Kingdom of Denmark.

https://www.cbsnews.com/news/trump-admin...n-command/