The ocean class was a series of 16 first rate 118 gun ships of the line of the french navy designed by engineer jacques noel sane along with the 74 gun of the temeraire type and the 80 gun of the tonnant type the ocean 120 gun type was to become one of the three french standard types of battleships during the war period 1793 to 1815 these were the most powerful ships of the napoleonic wars and a total of ten served during that timethe montagne originally called quotoceanquot was a french 118