Well, the Marathon Man was a security officer on the ship (during the voyage) and the colony (for the next 7 years). But I don't think that message could have been a delayed signal from the Marathon because it was also addressed to Robert Blake, who was a mechanic or something when the Pfhor attacked and remained completely unimportant until Durandal defrosted him on Lh'Owon.
: I was just looking around in the infinity map file, and happened across some
: text from You're Wormfood, Dude:
: http://marathon.bungie.org/story/wormfooddude.html
: It seems to be a delayed transmission from the Marathon, trying to contact
: commander Robert Blake and security chief Jones. Perhaps chief Jones is
: the marine? Then again, it could just as easily be some other security
: officer, although I was under the impression that the marine was the most
: important aboard the ship...