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