In July 2016, a coal silo collapsed at an Indiana power plant. The root cause was identified as cracking of the cone-to-skirt weld. Warnings to inspect this vulnerable weld were published widely ...

The cone hit the wall of the silo, bounced back toward the missile and grazed it in two spots along the second fuel stage, hit two of the three suspension cables that supported the missile, ...

The cone hit the wall of the silo, bounced back toward the missile and grazed it in two spots along the second fuel stage, hit two of the three suspension cables that supported the missile, ...

The cone hit the wall of the silo, bounced back toward the missile and grazed it in two spots along the second fuel stage, hit two of the three suspension cables that supported the missile, ...