Forming army units: cities(with the starting and current affiliation) or seaports(current affiliation), economy>=20, without contact with enemy units,
need 30 enlisted men.
Forming air units: airbases (the starting and current affiliation),
(seaports for air units with seaplanes), without contact with enemy units, need 1 airplane(seaplane).
Navy - ships and submarines.
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cells of map in contact with
seaports (the starting and current affiliation, economy>=60), also
seaport must have contact with city (with economy>=20)
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construction and repair of ships is possible the cells in contact with the seaports
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ships and submarines are placed in these cells - according to general rules (rules about the submarines, aircraft carriers).