Mar 19, 2019
(via https://www.youtube.com/watch?v=C76PJ21-ctg)
> This is the 37-kiloton Priscilla test of Operation Plumbbob on June 24, 1957. After Hiroshima was bombed, American observers found several Mosler vaults in the basement of a ruined bank and found its contents totally unscathed.
The safe after the test:
And today:












