SM UB-7 [SEP] vessel class
SM UB-7
SM "UB-7" was a German Type UB I submarine or U-boat in the German Imperial Navy () during World War I. She disappeared in the Black Sea in September 1916.
"UB-7" was ordered in October 1914 and was laid down at the AG Weser shipyard in Bremen in November. "UB-7" was a little over in length and displaced between , depending on whether surfaced or submerged. She carried two torpedoes for her two bow torpedo tubes and was also armed with a deck-
SM UB-103
SM "UB-103" 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 18 December 1917 as SM "UB-103".
"UB-103" was sunk in the English Channel by British warships and "SSZ 1", a SSZ class blimp.
Construction.
She was built by Blohm & Voss of Hamburg and following just under a year of construction, launched at Hamburg on 7 July 1917