Go to thie link
i read the link. I think it's very obvious that these dudes, easily identified with those online pics, were running a drill.
They are only guilty of one thing... having amazing, outstanding, astronomically incredible odds. Running a drill just feet from where the actual bombs would go off.
There's no denying they were running a drill... that was posted in newspaper ahead of time. Staggering odds, I mean, incredible.