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.
 **     **  **     **  **     **  **     **  ********  
 **     **   **   **   **     **   **   **   **     ** 
 **     **    ** **    **     **    ** **    **     ** 
 **     **     ***     *********     ***     **     ** 
 **     **    ** **    **     **    ** **    **     ** 
 **     **   **   **   **     **   **   **   **     ** 
  *******   **     **  **     **  **     **  ********