That it's a very difficult machine to keep running in less than ideal support systems. can you tell us about that? >> that's true. the m1 is a very complex system. it has a turbine engine. that operates on jet fuel, as you highlight. and so, it is not an easy system to maintain, which is why, as we go through the procurement process, we're gonna start working with ukrainians now to help train them on the tanks. not only to operate it, but to maintain, sustain, and build that logistics network that they're going to need. i think it's also important not to just focus on a single platform. it's i...