From YouTube: This footage was made by the DoD during the Desert Rock Exercises during mid 1950’s. It shows soldiers preparing for, and then carrying out maneuvers during one of the tests. The purpose of the tests were to determine how the men would preform during operations involving atomic detonations. The original film sourced from the US National Archives is silent.
Army tests performance of soldiers amid live nuclear detonations
VN:F [1.9.22_1171]Army tests performance of soldiers amid live nuclear detonations,