Sea control Naval operations 275 History 144 World War, 1939-1945 102 Submarine 77 Military operations, Naval 67 World War, 1914-1918 48 Campaigns 33 Military campaigns 33 German 25 Naval operations, German 25 Naval history 19 American 18 Naval operations, American 18 History, Naval 16 Admirals 10 Aerial operations 10 Military operations, Aerial 10 Privateering 9 Spanish-American War, 1898 8 Submarines (Ships) 8 Armed Forces 7 Foreign relations 7 Japanese 7 Law and legislation 7 Naval operations, Japanese 7 Sailors 7 Diplomatic relations 6 Mexican War, 1846-1848 6 Naval operations, British 6