their fingers and blaming each other for this dangerous action. what happened here? >> alex, it's arguably the closest american and russian naval vessels are accidently come since the korcold war and you said so far, both sides are blaming each other. that's kind of predingtable. the u.s. military said uss chancellorville is abruptly changed course into the path of that russian destroyer and they accused of u.s. of provoking the incident in order to intimidate justice just as chinese president xi jipg ping visited moscow. but they say the russian destroyer maneuvered from behind and accelerated ahead from the uss chancellorsville. it looked like it had to throw itself hard in reverse to keep from hitting the russian ship and that's a risky maneuver with a ship that size. if you look closely to the video you could be forgiven for