Lunar One Colony
Lunar One Colony was the largest Human outpost on Luna, Earth's moon, in the 22nd century. 

As the Earth starship  unwittingly traveled back in time to the 1940s of an alternate timeline from 2154, the crew tried to hail Lunar One Colony after it received no reply from Earth. () After the death of Vosk and the destruction of his temporal conduit (thereby restoring the timeline), Enterprise successfully hailed Lunar One Colony, their first sign that they had returned to the right time. ()

See also 
 Lunar colonies

External link
 

de:Luna-1-Kolonie
ja:ルナ1コロニー
nl:Lunar 1 kolonie
Colonies
Outposts