“In 2025, the US attempted […] to collect knowledge about infrastructure, including critical military infrastructure, in Greenland, and thus potentially information that could be important in planning an American attack on or invasion”
https://www.berlingske.dk/internationalt/usa-soegte-i-fortrolighed-viden-om-militaere-installationer-i-groenland
"Trump has asked JSOC to prepare the [Greenland] invasion plan, but it is being resisted by the joint chiefs of staff on the grounds that it would be illegal - and would not be supported by Congress”
https://www.dailymail.co.uk/news/article-15452323/Donald-Trump-orders-army-chiefs-plan-invade-Greenland-President.html