Building of military ships and vessels

Title: Construction of ships and military vessels Includes the construction of ships and military vessels, e.g. combat ships equipped with various offensive and defensive weapons and protection devices against bombings, and the construction of floating military structures (aircraft carriers, amphibious and assault warfare, cruisers, destroyers, submarines, naval vessels disembarkation and tugs for transporting ammunition or mines, etc.). Includes factory conversion of ships, vessels and floating military structures. Does not include:  Manufacture of weapons and ammunition (2530);  Manufacture of navigation instruments (26512);  Overhaul of sports and recreational boat engines at the factory (28110);  Construction of vessels and ships for civil purposes (3011);  Construction of recreational and sports vessels (30120);