Technology and Operations  
This forum is for discussing technological & operational matters pertaining to U-boats. 
Your Name: 
Your Email: 
Subject: 
Spam prevention:
Please, enter the code that you see below in the input field. This is for blocking bots that try to post this form automatically.
 ********  **     **  **     **  **     **   *******  
 **        **     **  **     **  ***   ***  **     ** 
 **        **     **  **     **  **** ****         ** 
 ******    **     **  **     **  ** *** **   *******  
 **        **     **   **   **   **     **         ** 
 **        **     **    ** **    **     **  **     ** 
 ********   *******      ***     **     **   *******