User blog comment:Damac1214/Call of Duty Vietnam Concept Art Released/@comment-151.74.96.119-20140626220431/@comment-1187559-20140627164218

No Russian wasn't really a test. It was made to show the player what Makarov did to spark off the Russo-America war. It was more or less to add depth to the story, much like te nuke going off in CoD 4. And MW3's failed attempt at killing that family in London.