I don't have research at the ready about commercial planes but I don't offhand see why the chemical canisters couldn't be fitted to any plane.
It would also make sense to use commercial because they cover the world, daily. It would be efficient.

Edit: errors

I don't have research at the ready about commercial planes but I don't offhand see why the checmical canisters couldn't be fitted to any plane.
It would also make sense to use commercial because they cover the world, daily. It would be efficient.

I don't have research at the ready about commercial planes but I don't offhand see why the checmical canisters couldn't be fitted to any any plane.
It would also make sense to use commercial because they cover the world, daily. It would be efficient.