Example image of eyePlorer eyePlorer map for 'Three-decker': First-rate Rating system of the Royal Navy Second-rate Ship of the line Third-rate French ship Valmy HMS Royal Albert (1854) Spanish ship Nuestra Señora de la Santísima Trinidad (1769) HMS Vanguard Seventy-four (ship) Demi-cannon Three-decker (disambiguation) John Fisher, 1st Baron Fisher History of the Royal Navy