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Mother ship

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A mother ship is a vessel or aircraft that carries a smaller vessel or aircraft that operates independently from it. Examples include bombers converted to carry experimental aircraft to altitudes where they can conduct their research, or ships that carry small submarines to an area of ocean to be explored. The mothership may also recover the smaller craft, or may go its own way after releasing it.

The term mother ship dates back to the nineteenth century whaling trade when small, fast ships were used to chase and kill whales. The dead meat from several boats was then brought back to the larger, slower ship for processing and storage until the return to land. This model enabled a far more efficient method of whaling. Though whaling is much lower-scale than in earlier days, the single large storage ship model is still used extensively by fishermen. Such ships are also known as factory ships.

In science fiction and popular culture

The term has achieved prominence in science fiction and in UFO lore, which extend the idea to apply to spaceships serving as the heart of a fleet. The concept of mothership (almost always spelled as a single word) clearly implies that the other ships in the fleet are dependent on the mothership for at least some services. Typically, a mothership will take up station in an area and remain there for long periods, while smaller ships sortie to interesting destinations. Sometimes a mothership is large enough to operate alone, or is so huge that it contains a fleet in its body.

Roles played in a fleet by a mothership may include:

Examples of motherships include:

 


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