former president petro poroshenko. definitely, we need the military jets to cover the nuclear power station because nuclear contamination, do not see the border. reporter: nato would need to establish saw a no-fly zone over all of ukraine to stop the fighting, but nato war planes won t stop a ballistic or cruise missile launched from belarus or russia without expanding the conflict. then there is the issue of nato war planes being shot down. u.s. air force fighter pilot colonel scott o grady was famously shot down over boss nia in bosnia in 1985. u.s. marines had to be sent in to rescue him. the only no-fly zone that the u.s. is discussing right now is a possible no-fly zone over humanitarian corridors if they could ever be established. those would have to be established under the