User blog comment:Son Gokan/m29/@comment-1751442-20110618172515/@comment-1990578-20110618201709

That'd be the M24 chief. You can find it on Par For the Course at the small island on top of the map in Bad Company 1's singleplayer. If you need help finding any of the collectibles, or gold bars fro that matter, I found a really good guide here.

As a side not, this might have been better as a forum post rather than a blog post.