Most campaign files load for ALL missions.
Look at Campaign.cfg. You will see a line that mentions SingleMissions, Career, Multiplayer, etc. That is a list of what types of missions will load that particular .mis fil. Campaign_LOC is loaded for all (which hasthe harbors). The different side's Harbor_Traffic.mis files place the ships in them, and the land units has the guns, and the air cover the air bases.
You'd have to alter several campaign files for this. Why not just move the date forward a couple months?
tater
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