Design and construction TECHNOLOGY & ENGINEERING 23 History 21 Military Science 15 Histoire 14 Marine & Naval 14 Construction navale 12 TRANSPORTATION 10 Armed Forces 9 Naval architecture 9 Pictorial 9 Ships & Shipbuilding 9 Shipbuilding 8 Shipbuilding industry 8 Warships 8 Hulls (Naval architecture) 6 Industrie 6 Nuclear submarines 6 Procurement 5 Sailing ships 5 Submarines (Ships) 5 World War, 1939-1945 5 Architecture navale 4 Innovations 4 Mesures 4 Safety measures 4 Sécurité 4 Systèmes d'armes 4 Technological innovations 4 Weapons systems 4