This model is in 1/700 scale. It is designed as a single sprue that connects the individual 8 Cell Mk 41 VLS launchers at it's base. Some minor work to remove the connecting wires is required to finish this model. It is designed to be add-on parts for existing 1/700 models.
This is the second version of this model which is in slightly higher resolution than the pervious version.
According to Wikipedia: "The Mark 41 Vertical Launching System (Mk 41 VLS) is a shipborne missile canister launching system which provides a rapid-fire launch capability against hostile threats."