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The following table lists numbers of warships in service, by type and by country, in order of largest to smallest tonnage by navy. ==Guide to table== * The table only counts warships that are commissioned (or equivalent) and active (not under repair). * Ceremonial vessels, research vessels, supply vessels, training vessels, and unarmed icebreakers are not included. * Surface vessels displacing less than 250 tonnes are not included, regardless of other characteristics. * Armed submarines are included. * Patrol vessels are included, even if they work for a force separate from the country's navy (for example, the Medium Endurance Cutters of the United States Coast Guard). * The "amphibious assault ship" category includes Landing Platform Helicopter ships, Landing Helicopter Assault ships, and Landing Helicopter Dock ships. * The "amphibious support ship" category includes amphibious transport dock ships and dock landing ships. * The "other amphibious warfare ship" category includes all small landing ships such as Tank Landing Ships etc. * The "patrol vessel" category includes missile boats. * The "anti-mine ship" category includes mine countermeasures vessels, minesweepers and minehunters. * The "missile sub." category includes ballistic missile submarines only. Cruise missile submarines are counted as attack submarines. * Vessels are categorized by size and purpose in accordance with the most broadly accepted definitions. For example, some large frigates may be counted as destroyers. * Totals are approximate: data on some countries' brown water forces may be scarce. * The ranking of countries is partly arbitrary. Generally, total tonnage of ships is more important than total number of ships. * The vessels are grouped into five main types (indicated by colors): red for vehicle carriers, yellow for principal surface combatants, green for patrol vessels, light blue for anti‑mine vessels, and dark blue for submarines. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of countries with warships」の詳細全文を読む スポンサード リンク
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