For nukes... there is a 'hbm:gun_fatman_ammo' that you can craft but it appears that it isn't the right ammo type to load for the Catapults. There looks to be other types of ammo called...
...those get loaded into the Catapults just fine but there seems to be no way of getting these as they don't have any recipes.
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The Experimental MIRV can be crafted but no ammo can be used with it. The 'hbm:gun_mirv_ammo' are craft-able but can't be used with it. Upon a closer look... it's the same problem as with the nukes.
For nukes... there is a 'hbm:gun_fatman_ammo' that you can craft but it appears that it isn't the right ammo type to load for the Catapults. There looks to be other types of ammo called...
hbm:ammo_nuke hbm:ammo_nuke_low hbm:ammo_nuke_high hbm:ammo_nuke_tots hbm:ammo_nuke_safe hbm:ammo_nuke_pumpkin
...those get loaded into the Catapults just fine but there seems to be no way of getting these as they don't have any recipes.
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The Experimental MIRV can be crafted but no ammo can be used with it. The 'hbm:gun_mirv_ammo' are craft-able but can't be used with it. Upon a closer look... it's the same problem as with the nukes.
These ammo types are...
hbm:ammo_mirv hbm:ammo_mirv_low hbm:ammo_mirv_high hbm:ammo_mirv_safe
...those get loaded into the Catapults just fine but there seems to be no way of getting these as they don't have any recipes.