Post date: Sep 15, 2016 11:22:31 PM
At tonight's Opening Ceremonies, the order of launch was set. The order is set by a drawing, first the order of the countries, then the actual teams. Here's the order.
You can watch the entire Opening Ceremonies at https://www.youtube.com/watch?v=TUapFQl8_Hw. The launch draw begins about an hour 13 into the video.