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date     93.07.01.08.22.05;  author bill;  state Exp;
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@.TH Command UPGRADE TECH
.SY "upgrade <SHIP/FLEET>"
The upgrade command allows a country to set the tech level
of its ships to the country's current tech level.
.s3
Each ship to be upgraded
must be in one of the country's harbors
that is at least 60% efficient
and has an available workforce
of at least half the size it would take
to build the ship from scratch.
To be upgraded, a ship must be at least 60% efficient.
.s3
Refitting a ship costs half as much as building a new one
from scratch and reduces the efficiency of the ship by 35%.
Strangely, refitting a ship does not use up any material.
.s3
See also : build, ship, technology
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