This is a story related, unmissable achievement...
"Through the Eyes of Evil" is the 2nd mission in MoH: Warfighter. This level has an interesting homage to the "Mile High Club" secret post credits level from Call of Duty 4. Thankfully there is no Bathroom Guy to watch out for! Other than that this is a fairly straight forward shooter mission. The Achievement will "pop" at the end of the level.