After installing "rampant" I found that the stock artillery and atomic artillery in Industrial Revolution 2 no longer cut the mustard. For the atomic artillery, this was disappointing, since atomic bombs would still perform (once an appropriate number of explosive damage upgrades had been researched). However, atomic artillery doesn't benefit from explosive upgrades, because its ammo type is "artillery-shell" rather than "rocket". Therefore, I slapped together this artisanal, hand-crafted, definitely no side effects (e.g. like also increasing non-nuclear artillery damage) mod to repair this oversight.