I think they struck one or two aircraft carriers with ballistic missiles.

The USSR is part of the reason why Yemen, the poorest Arab country, has hypersonic weapons technology. Yemen literally has nothing to lose.

"What I've seen of what the Houthis have done in the last six months is something that — I'm just shocked."

I’m not surprised. Yemenis are unlike their neighbors. They have a long history of being industrious and builders. The only thing they lack is plenty of natural resources. Otherwise Yemenis can do anything they set their minds to. They got their hands on missile technology when South Yemen was socialist and allied with the USSR, and after unification they kept developing their capabilities.