where the cars are moving at speed, but there is no traffic separation scheme. everybody can kind of go anywhere they want to. this is open ocean. a lot of ships pass through, 600 a day, and they are moving pretty quick be. and if anybody acts erratically or zips in the wrong direction, you could end up with a collision. actually it's surprising to me this kind of thing doesn't happen more often. we have an incident like this about once a decade. it's very rare. >> and now let's move to a different topic here but also many developments out of syria this morning. yesterday u.s. backed coalition forces shot down a pro syrian regime fighter jet, forces loyal to ass apparently attacked syrian democratic forces who are composed mainly of kurds and backed by the u.s. two hours later, a syrian jet made a bombing run and was shot done by an american warplane. now moscow is warning the u.s.