It's useless. No function, and it doesn't count as an outpost for the purposes of Neptunium production either. It only gives vision to the player who controls it.
And please refer to the FAQ document on top of the Questions thread before opening new topics, since its most likely you will find your answer in it.
Imagine how stupid the average person is. Then realize that half of the people are even stupider than that.
-George Carlin