Overwatch.

[DannyC.]

I just need to ask this to make sure: What exactly is the Overwatch? At first I thought Overwatch were those troops in the dark blue you see in Nova Prospect and mabye a few other places. Now I think it might be the entire Combine military. Can you guys fill me in on that?

 

[Ames]

http://members.shaw.ca/halflifestory/expandedinfo.htm

 

[DannyC.]

Ah....