Yes, you have been selected for a tuition free scholarship to the WernerSobe Advanced School for Submarine Attack Tactics (WASSAT).
http://www.subsim.com/radioroom/showthread.php?t=118923. Three video courses there on Torpedo Data Computer targeting and sonar only targeting await, along with strategy tutorials like the Dick O'Kane attack method.
http://www.subsim.com/radioroom/show...6&postcount=67
Then armed with all this information you will be able to search around SUBSIM to find more good information than you can handle!
