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View Full Version : Learn about Operation Drumbeat.

Harald_Lange
06-19-14, 10:53 AM
A friend who knew I was a bit of a sub fan, sent me this, thought I'd share it:

https://www.udemy.com/operation-drumbeat
Jimbuna
06-19-14, 12:22 PM
Interesting.
banryu79
07-13-14, 02:48 PM
It has been very intresting, for me.
Thank you so much, Harald_Lange!
:salute: