 students, a team of five students at the time. And we were interested in learning about what a dual use architecture was and what it meant to do innovation in the defense space. And we did exactly that. We learned a lot about what that looks like. The course sponsored a lot of different problems across a lot of different kinds of problem spaces. And we were actually sponsored by, our problem was sponsored by the Missile Defense Agency to tackle challenges to secure communication for missile defense systems.