 And then they started encountering some of these dummies that had been set up. Some were almost burnt up entirely. Others were smoldering. So they kept walking. They got within about three-quarters of a mile of where the bomb had exploded, and they stopped them. They turned them around and marched them back out of there. And he said he remembered hearing somebody saying it was too hot to go much further. And, well, that basically meant it was too radioactive.