 It's structural, it's rigid in terms of its strength, and it's downsized. We're making some more portable aircraft ladders. We're cutting some tubes up, welding some frames up, and kind of testing it out for use of portability. We took that concept for Shaw Air Force Base and the Thunderbird Ladder and kind of meshed them together. Right now the aircraft ladders that they're using takes up more space on the aircraft. These, you can just put them in a travel pod on the F-16, so it'll fly off with the jet instead of having to build up a pallet, taking it off on a C-130 or things like that. In terms of cost of saving money, we're saving the Air Force around $300,000 per 12 ladders that we're making. If this is successful and we get it up and running for a Missile Air Base, you know, and pushing out this concept to other F-16 bases, it's a sense of pride, a sense of achievement to try to make something at this big of impact.