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Chem mission not firing under AI

Posted: Sun Jan 04, 2026 2:12 pm
by RFalvo69
In a scenario I'm working on, I have some BM-21 Grad [CN] SPA loaded with chemical weapons. The plan is to start the scenario with a chemical strike, but the AI simply doesn't fire.

For context:

- They are in range and with their HQ nearby.
- They have the "Strike" mission in the Battleplanner with the target hexes selected. The Battleplanner shows both the order and the affected hexes (in a teal color).
- I even ordered a Chem strike to the unit outside the Battleplanner. The Unit Dashboard shows that the first order on the first minute will be the Chem strike, but, no joy.

All other artillery units (with conventional munitions) fire as ordered and have no problems in executing their missions. It seems that NBC weapons require a specific authorization. However, if so, I can't find it.

Re: Chem mission not firing under AI

Posted: Sun Jan 04, 2026 6:23 pm
by Tazak
I use the the BM21 and change the ammo load to 40 chem rockets, and set it to fire all rounds although this is just to ensure it goes into resupply where it can sit quietly until it withdraws

I tried the BM24 which only has 12 rockets but that much like yours didn't fire, I was wondering if the number of round needed for area fire might be affecting if the fire mission goes ahead or not
chem strike.png
chem strike.png (268.21 KiB) Viewed 1632 times

Re: Chem mission not firing under AI

Posted: Mon Jan 05, 2026 11:55 am
by RFalvo69
This is very strange. I checked the ammo load for my Chem unit and it is... ONE! If the Database is correct, it should mean "One Chem Strike Package"

ChemAmmo.jpg
ChemAmmo.jpg (102.61 KiB) Viewed 1612 times
...Which, however, doesn't fire.

Re: Chem mission not firing under AI

Posted: Mon Jan 05, 2026 12:37 pm
by Tazak
I think the ammo load of 1 is a old 'hangover' from the early arty system, I wouldn't be surprised if noone has used that specific unit since the ammo changes a couple of years ago

Might test a tac nuke to see if they work

Re: Chem mission not firing under AI

Posted: Mon Jan 05, 2026 12:52 pm
by Tazak
Well okay, seems nukes still work and the AI can fire them as a strike mission
nukes still work .png
nukes still work .png (462 KiB) Viewed 1605 times

Re: Chem mission not firing under AI

Posted: Mon Jan 05, 2026 5:34 pm
by SgtZdog
Created ticket FPSS-6872

Re: Chem mission not firing under AI

Posted: Mon Jan 05, 2026 7:44 pm
by Tazak
Been playing around, it looks like CWN1 & CWP1 from the Systems tab are not being recognised by the engine