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