>> you know, i think one of the challenges, kendis, in this space is we don't have a ton of missile defense as it stands today. our missile defense capabilities are fairly limited. fairly focused in a couple of areas. we need to accelerate that effort. but the real thing with china is, it's less about trying to shoot down missiles if they've decided to come after us. it's more how do we deter their behavior, preventing them from building capabilities, knowing if they use them we're going to respond aggressively. that's a challenge of the space. the biden administration's international security guidance talked about reducing the role of nuclear weapons in our defense policy. we've seen what the chinese are doing, long-term efforts in the south china say. there are concerning signs. building these defense capabilities, we've got to push back and say if you behave this way we're going to respond. and even if they build these weapons they're not likely to use them. >> the pentagon said our latest hyper sonics weapons test failed. this comes after another failed