Actually the germans had landed in Greenland and install a small camp, during WW2 !
Unternehmen Holzauge aka
North Atlantic weather war
in august 1942 leutnant Hermann Ritter and group of 17 meteorologist arrived with trawler Sachsen in east greenland.
the group manage to be undetected until march 1943 and transmit weather Data back to motherland.
until a sledges patrol of danish, found the installation, after 600 km trip the Danes were abel to contact the authorities
on 25 may the USAAF bomb the camp and remains of trawler Sachsen
then 6. and 17. the surviving member of Operation Holzauge were evacuated by flying boat, while there remains of camp and Sachsen were destroyed.