US President Donald Trump's interest in acquiring Greenland has led to concerns and a tense exchange between the US and Denmark. While the US possesses significant military superiority and existing access rights under a 1951 agreement, Denmark has stated its troops are prepared to defend Greenland, citing a 'shoot first' directive. Both nations, along with Greenland, are engaged in discussions regarding the island's future, with Greenlanders expressing a desire not to become American. The situation highlights strategic and resource interests in the Arctic.