[GonzoGOP]

I wonder how long that thing has been kicking around. 155s of one stripe or another have been in the inventory since WWI. Ammo for an old “Long Tom” has got to be a bit unstable by now. The newer stuff should be OK as long as you don't hit it with a hammer or throw it in a fire.

[Stoat]

I wonder how long that thing has been kicking around.

Before I posted this, I looked around for additional sources but couldn't find anything; probably because this event occurred just a few minutes ago.  As time passes some of the local media 'may' pick up the story and add more detail.

[Stoat]

I wonder how long that thing has been kicking around.

From the update at post #28:

It was determined the artillery round (a M116) originated and was manufactured in 1951,