Its been working for me sometimes, using GW 1.1a. When i spot a task force, i usually dive to get sound contacts and to sort out the number of ships. Then i surface, and send a contact report. Sometimes luftwaffe attacks the enemy afterwards, sometimes not. In my experience, the mediterranean is the best place for this. But i dont know if the luftwaffes attack are already scripted in GW 1.1a, or if they are responding to my call...
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