There is no evidence that what we have here is a willful disregard of the rules. What we have is some cases of lack of attention to detail and some questions about the vagaries of classification rules.

As a standard precaution, (they) are being monitored by the laboratory's Occupational Medicine group.

We want to know who did it and why as much as anyone does. ... And to that end we will cooperate and participate in the investigation to every extent appropriate.

If there is a slow leak, which is more likely, the pilots will be able to get into their suits and either plug the leak with special tape or make the decision to come down.

No cutting, no welding, no grinding.

This is absolutely not a hiring freeze.