did you watch to the red bit? if not do it again until there is an "error" with the terminal and it then will go blue or yellow again... then quit
when you activate them all you get the achievement called Marathon Man. It should unlock the armor called Security Shoulders
The terminals are for an achievement, Marathon Man (40G), and also for backstory and information of the game. They look like a silo and when you get near it you see some sort of giant eye. The Arbiter cannot view it if you are playing co-op.
If you collect them all in order in one campaign play through (as in on one save, doesn't have to be all at once) you will get an achievement called marathon man
get all terminals collected ( the big shiny silver things which open when near). if you want help my gamertags cosmeticbobbob.
Marathon Man was created in 1974.
Marathon Man has 309 pages.
The ISBN of Marathon Man is 0-440-05327-7.
The duration of Marathon Man - film - is 2.08 hours.
The length of the Iron Man marathon is 26.2 miles.
Man versus Horse Marathon was created in 1980.
Marathon Man - film - was created on 1976-10-08.
Marathon Man is a thriller film made in 1976. The film starred Dustin Hoffman and Laurence Olivier. The film Marathon Man was directed by John Schlesinger.