Rep. Don Bacon (R-NE) says there would be GOP support for impeaching President Trump if the U.S. invades Greenland.

In a striking and unexpected warning, Rep. Don Bacon (R-NE) said there would be Republican support for impeaching President Donald Trump if the United States were to invade Greenland, drawing a sharp red line around executive power and foreign military action.

Speaking in blunt terms, Bacon framed the scenario as a constitutional crisis rather than a partisan dispute. He emphasized that any unilateral military move against Greenland—an autonomous territory of Denmark and a NATO ally—would represent a dramatic overreach by the president and a violation of both U.S. law and international norms.
“This wouldn’t be a policy disagreement,” Bacon said, according to people familiar with his remarks. “It would be an abuse of power. Congress would have a responsibility to act.”
The comments immediately sent ripples through Washington, where talk of impeachment has largely been confined to Democratic circles. Bacon’s statement suggested that, under extraordinary circumstances, a faction of Republicans could join such an effort—especially if a military action lacked congressional authorization or clear national security justification.

Greenland has occasionally surfaced in Trump-era discourse due to its strategic Arctic location and vast natural resources, but the idea of a U.S. invasion has been widely dismissed by defense experts as implausible and reckless. Still, Bacon’s remarks appeared aimed at closing the door on even hypothetical consideration of force.
Legal scholars note that the Constitution grants Congress the power to declare war, and that launching an invasion of allied territory without approval would almost certainly trigger bipartisan backlash. “That’s the kind of scenario where impeachment becomes less about politics and more about safeguarding the constitutional order,” one former congressional aide said.

The White House has not responded directly to Bacon’s comments, and there is no indication of any plan to use force against Greenland. Nonetheless, the episode underscores growing unease among some Republicans about executive authority and the limits of presidential power.
For Bacon, a former Air Force general who has often positioned himself as a constitutional conservative, the message was clear: loyalty to party ends where the rule of law begins.