I would also add that in any theatre, Mr. Chairman, when you introduce a piece of equipment, the manufacturer may not have had that vehicle to the exact specifications of that theatre.
The kind of fine powder that General Benjamin mentioned earlier gets everywhere. It gets into air filters, and therefore your consumption rate of parts like that is totally unlike what you'd face anywhere else. So we're dealing with those kinds of things, and there are extraordinary efforts by the entire chain, right from the soldiers who are driving those vehicles up through to Mr. Ross, working with the Department of Public Works, to try to get those kinds of pieces.