JOHN GURZINSKI/LAS VEGAS REVIEW-JOURNAL Nevada Test Site historian Ernie Williams stands Jan. …

JOHN GURZINSKI/LAS VEGAS REVIEW-JOURNAL Nevada Test Site historian Ernie Williams stands Jan. ...

JOHN GURZINSKI/LAS VEGAS REVIEW-JOURNAL

Nevada Test Site historian Ernie Williams stands Jan. 11 on the observation deck for the Sedan crater, created from a 104-kiloton nuclear blast on July 6, 1962.

JOHN GURZINSKI/LAS VEGAS REVIEW-JOURNAL

Nevada Test Site historian Ernie Williams stands Jan. 11 on the observation deck for the Sedan crater, created from a 104-kiloton nuclear blast on July 6, 1962.