Posted by: OrderedComa
Obviously they learned it, durp. Even if they can't necessarily speak it they can all at the very least understand it, seeing as they sent a message to the UNSC, fully in English, after they devastated Harvest.
To be fair, they could have only had a few specialists translate the message into english, and the normal soldiers would have no idea what it said.
Most Marines today don't Persian, dispute fighting and killing people in Afghanistan.
[Edited on 01.22.2012 5:47 PM PST]