You look at this and see a Training launcher. I look at this and I see a Spigot Launcher.
Lucky Launcher 2 Dummy Launcher Set
This reminds me of WWII. How's that you say? Let me show you what I mean.
Granted it's not as large, but the principal is the same.
I wonder what paperwork and permits would be required to make up something for Knob Creek.
After all this is basically a form of the Rifle Grenade.
And it also the basis of depth charge launcher known as the Hedgehog
Or the PIAT.