 And in the beginning they said, yeah, let's try it. And now everyone's gotten smaller with it, more lethal with it, but where are we going with it? That's why Raj Shah is here and Chris Kirchhoff is here, co-authors of Unit X, How the Pentagon and Silicon Valley are Transforming the Future of War. Welcome, guys. Thanks, Brian. It's great to be here. First off, I guess to you, Raj, what has Ukraine and this two-year battle been for weapons innovation and guys like you?