How long is it to build the submarine?

The construction time for a submarine can vary significantly based on its type and complexity. Generally, building a conventional submarine may take around 2 to 5 years, while nuclear submarines can take 5 to 10 years or more. Factors influencing this timeline include design specifications, technological advancements, and the availability of materials and skilled labor. Additionally, military submarines often undergo extensive testing and trials, which can extend the overall timeframe.