In 1961, the US asked if the Danish government wished to be brief about nuclear weapons stationed in Greenland. The answer "Not really" (paraphrasing of cause).

The Thule scandal, about covering up a nuclear armed B-52 crashing in Greenland is fascinating too: https://en.wikipedia.org/wiki/1968_Thule_Air_Base_B-52_crash...

But you're right, no missiles.