It was a mutual decision between him and (FAA Administrator) Jane Garvey. He's going to pursue other opportunities outside the FAA.

We want to get this stuff going as soon as possible, That all has to be worked out.

We got a late start, and we did fall behind early, but we have since made up that ground.

Yes, we do have standards for all the equipment used at the screener checkpoints, ... And they're recalibrated if they are moved. They're checked on a regular basis.

I think the main concern was with the aircraft frame.

If they operate within the parameters that we set out, yes, they will be safe.