There have been changes made to several of the files that should result in a change of the AI being able to detect your periscope. Only testing will tell us if it's close. It looks at first blush to be better, but if it's too much now remains to be seen. An enemy DD / CL / CA seeing your periscope should result in a torpedo response, if you're within range... We're testing the latest edits now. I'll try to throw in several low scope targeting attempts with my other testings.