https://www.youtube.com/watch?v=FWAXhH_Mk-M
Well surprise, surprise.

The pitch was worth the windup ;’)
IIRC the Israelis developed a version of an RPG that can be fired from cover in a room. It has basically a water balloon in the back end of the launch tube. The back blast pushes the water out, then the force/concussion is mostly expended misting/vaporizing and pushing against the mass of water. I remember the guy on the arms TV show firing one from inside a cinderblock room, saying something like, well, this would normally kill me but ... here goes...
Must have watched too many Rambo movies!
Looks like he blowed up real good...