Like Anchor says it's a kinetic bomb, so no detonation will be done.
Likt him I don't like it one bit either, not so much because how they do it as why they are doing it. It's a pointless experiment done before with failure.
We got enough of things to concentrate energy on, rather than seeing if the moon has water inside. If that's the real purpose of course...
Let's see that projectile mysteriously vapourize near the moon surface!
