"The Atom Soldier" from US Army film archives https://www.youtube.com/watch?v=C5NNjzhn__w

Atomic explosions filmed at 3000 frames/sec, https://www.youtube.com/playlist?list=PLvGO_dWo8VfcmG166wKRy..., collected by Greg Spriggs, a weapons physicist at Lawrence Livermore National Laboratory http://www.sfchronicle.com/bayarea/article/A-YouTube-playlis...