CNN The Situation Room July 22, 2014 22:50:00
There at 30,000 feet. in that case youre talking about something like the buk system, which is so powerful and so well targeted it can reach all the way up there and take out almost anything. look at the range of that. it can be tremendously destructive. it has, interestingly enough, limitations for all its strength. a system really needs a government to buy it, support it and make it operate. the troops running it have to have a high degree of train. thirdly, all of that makes tracking possible...
Source: archive.org