The fact became clear during a congressional questioning on Thursday where he was asked by democrat Adam Smith.
Our job at the defense department is to have plans for all eventualities, he replied several times.
It is not unusual for the Pentagon to establish preparedness plans for conflicts that have not occurred, but Hegseth's handling of the questions made a republican ask him to clarify if he means that there are plans within the department to invade the Danish territory – whereupon Hegseth repeated his answer about preparedness plans.
President Donald Trump has repeatedly said that he wants to take control of the strategically important and mineral-rich island of Greenland.