This model is in 1/700 scale. It is designed as a single sprue that connects the individual 32 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."