Lead ship
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Right: MS Voyager of the Seas, lead ship of the Voyager class
The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to military ships and larger civilian craft.[1][2][3][4]
Large ships are complicated internally and may take as much as five to ten years to construct. Any changes or advances that are available when building a ship are likely to be included, so it is rare to have two that are identical. Constructing one ship is also likely to reveal better ways of doing things and even errors.
The second and later ships are often started before the first one is completed, launched and tested. Nevertheless, building copies is still more efficient and cost-effective than building prototypes, and the lead ship will usually be followed by copies with some improvements rather than radically different versions. The improvements will sometimes be retrofitted to the lead ship. Occasionally, the lead ship will be launched and commissioned for shakedown testing before following ships are completed, making the lead ship a combination of template and prototype, rather than expending resources on a prototype that will never see actual use.
Naming
Ship classes are typically named in one of two ways; echoing the name of the lead ship, such as the Pennsylvania-class battleships, whose lead ship was USS Pennsylvania, or defining a theme by which vessels in the class are named, as in the Royal Navy's Tribal-class frigates, named after tribes of the world, such as HMS Mohawk. If a ship class is produced for another fleet, the first active unit will become the lead ship for that fleet; for example, the Oliver Hazard Perry-class frigates are known as the Adelaide class in the Royal Australian Navy. Larger civilian craft, such as Sun Princess, the lead ship of the Sun-class cruise ships, sometimes follow this convention as well.
References
^ The Last Epic Naval Battle: Voices from Leyte Gulf, By David Sears, page 27, Organizationand ships
^ US Navy, Commander, Naval Surface Force, U.S. Pacific Fleet
^ Builder of US Navy’s new class aircraft carrier looks towards lead ship’s upcoming trials
^ Navy Ship Names: Background for Congress, Ronald O'Rourke, Specialist in Naval Affairs, May 12, 2017
External links
- Example of a lead ship announcement from US Navy
- USS Pennsylvania BB-38
