[Panzermensch]

I have found out some things i can not find reasons for:

1. Why there is no 3D-Sound on Sail Bridge anymore since RA 1.3? (on LF Station its still avaible)

2. Mobile Sub Targets Mk37 cant be destroyed?

3. Is there any clue why SSN21's Narrowband Sonar display background is now grey? (v.1.35)