SM UB-49 [SEP] vessel class
SM UB-49
SM "UB-49" was a German Type UB III submarine or U-boat in the German Imperial Navy () during World War I. She was commissioned into the German Imperial Navy on 28 June 1917 as SM "UB-49".
"UB-49" served mainly in the Mediterranean. In the Austro-Hungarian Navy she was listed as SM "U-80". In eight wartime patrols she sank 40 ships totaling and one escort. After the Armistice with Germany "UB-49" returned to Kiel via Norway. Handed
SM UB-23
SM "UB-23" was a German Type UB II submarine or U-boat in the German Imperial Navy () during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the Imperial German Navy on 13 March 1916 as SM "UB-23". The submarine sank 49 ships in 21 patrols for a total of . On 26 July 1917, "UB-23" was badly damaged by a depth charge attack by off the Lizard; she put