.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.
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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.
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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.
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See also : build, ship, technology
