.s1
Ships can repair themselves in any sector, and can use work from their crew,
or from a harbor they are in. Planes can only be repaired in airports, and
-only use work from the airport. Land units can be repaired in HQ's, \*Qor\*U
+only use work from the airport. Land units can be repaired in HQ's or
in fortresses, and use the work of the HQ or fort. This means that front-line
units in forts will repair themselves each update, assuming that the
necessary materials and work are available. They can also gain efficiency