U-boat War Badge (German: U-Boot-Kriegsabzeichen) was a German war badge that was awarded to U-boat crew members during World War I and World War II. It was reinsitituted on 13 October 1939, it was very similar to the original badge with the exception of the imperial crown being replaced with a German Eagle above a swastika, and a more modernized submarine now facing towards the left was used.It has two classes:U-boat War Badge and U-boat War Badge with Diamonds