Calling All Swedish Commanders - Operation Gotland Needs You

[zeiss]

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It also is incorrect, as presence of entrenchments at Swedes in the first day of sudden intrusion of Soviet Union to Gotland.

There was no "sudden intrusion". We were preparing for a "possible Soviet invasion of Gotland" after the U-137 incident. You can refresh your memory by rereading the campaign background.

Here's a short version of the real U-137 incident or "Whiskey on the rocks".
http://en.wikipedia.org/wiki/U_137

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And your radar to Gotland is disconnected because of attacks of the Soviet Air Forces

:P