There are two realities everyone is failing to admit when it comes to conventional warfare: 1) quantity is so much more important than quality. Unless you have a secret space laser or an army of robocops, it is always shells that make boom boom. In all cases. Today, 10 years ago, 100 years ago. Large shells and small shells, shells with wings and underwater ones. But always shells stuffed with boom boom stuff. Precision does not matter if you can level an entire city without a trace of remorse.