[John H K]

Chemical weapons shells don't come pre-made with agent in them.

You get the empty shells, and they're filled JUST prior to use.

[r9etb]

You get the empty shells, and they're filled JUST prior to use.

The report implies that: "And they’ve captured a man who mixes the chemicals, that was his job with the Medina Division which is the division we're facing right now near the city of Karbala."

This sounds plausible, at least. Could still be a rumor, but if they've actually got (and are interrogating) a chemical guy....