Cool stuff!

Awesome find hogan!
If you want to see the video to those shots, there's a really good movie called "Trinity and Beyond" which is all the govt test footage from a good chunk of those pictures put together in one movie. It's narrated by William Shatner, so if you can stand that then it's a really interesting video.
Or you can find the actual declassified videos from the government, but it's easier to watch trinity and they have more of the later shots in it. The govt videos only go up to operation ivy, where trinity goes right up to the end of atmospheric testing.

- Clif