i know its an advert but there are a couple of flaws there,
first one and the most obvious is that ship depicted in the advert is a Royal Navy type 42 batch 2 guided missile destroyer (has no chance of being the second largest vessel in the north atlantic fleet) although the interior in the advert is not from a type 42.
secondly if a warship is on a possible collision course with another vessel the warship will always alter its course due to being more manouverable than a cargo vessel. they would never demand the other ship alter course as it is possible that the other ship has a problem and cant alter its course.
apart from that its quite funny as it is a good advert of what the yanks are like!!!