World Class Ship
|Capital Ship Combatants||Escort Combatants||Military Smallcraft||Support Ships|
|Battleship||Cruiser||Carrier||Destroyer||Escort||Frigate||System Defense Boat||Fighter||Assault Transport||Smallcraft||Auxiliaries|
|Commercial Mercantile Ships||Non-Mercantile Commercial Ships||Non-Commercial Ships||Civilian Smallcraft||Highports & Satellites|
|Merchant||Liner||Transport||Commercial Industrial||Commercial Ships||General||Research||Private||Auxiliary|| Orbital
World Class Ships are monstrously large hulls requiring major outlays of resources and requiring years or decades to construct.
- They are not considered economical to operate except in very specialized roles.
- Several smaller ships can usually do a better job and are more flexible.
World Class Ships are absolutely massive, much bigger than the capital ships or fleet class ships are are regularly constructed. WCS'es are almost never produced in large numbers and are often built as custom one-offs.
These vary in tonnage and in their intended function or role in fleet maneuvers and tactics. The security of the state is usually the primary design imperative. 
|Ship Classification by Size in TL:13-15 |
|1.||Smallcraft (Subcraft)||0 to 99 tons||Vehicle||Ubiquitous||Smallcraft are NAFAL or STL.|
|2.||Bigcraft (Subcraft)||100 tons or larger||Vehicle or Ship||Uncommon||Bigcraft may be designed FTL or NAFAL.|
|3.||Adventure Class Ships (ACS)||100 to 2,499 tons||Ship or Vessel||Common||Adventure Class ships may be FTL or NAFAL.|
|4.||Battle Class Ships (BCS)||2,500 to 249,999 tons||Ship or Vessel||Uncommon||Battle Class ships may be FTL or NAFAL.|
|5.||Fleet Class Ships (FCS)||250,000 to 999,999 tons||Ship or Vessel||Rare||Fleet Class ships may be FTL or NAFAL.|
|6.||World Class Ships (WCS)||1,000,000 tons or larger||Ship or Vessel||Ultra-rare||World Class ships may be FTL or NAFAL.|
The size of what is considered gigantic or World-class changes every few tech epochs. What was once mighty and large eventually is regarded as less impressive as technology advances.
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- T5 Core Rules
- Traveller Wiki Editorial Team
- Author & Contributor: Lord (Marquis), Captain, and Lead Naval Architect Ronald B. Kline, Jr. of the Imperial Navy
- Author & Contributor: Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science
- An unpublished factoid written by Ronald B. Kline, Jr.
- An unpublished factoid written by Maksim-Smelchak