Navies 22 Officers 15 Ships 12 Navy-yards and naval stations 10 Armored vessels 5 Appropriations and expenditures 4 Military service, Voluntary 4 more ... Naval architecture 4 Sailors 4 Armed Forces 3 Expenditures, Public 3 Government publications 3 Retired military personnel 3 Signals and signaling 3 Armor 2 Artillery 2 Bills, Private 2 Claims 2 Courts-martial and courts of inquiry 2 History 2 Merchant mariners 2 Military pensions 2 Naval militia 2 Ordnance, Naval 2 Prizes (Property captured at sea) 2 Shipbuilding 2 Shipwrecks 2 Soldiers 2 Steamboats 2 Telegraph 2 less ...