SM UB-120

SM UB-120 was a German Type UB III submarine or U-boat in the German Imperial Navy (Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 23 March 1918 as SM UB-120.

UB-120 was surrendered to the British on 24 November 1918 in accordance with the requirements of the Armistice with Germany. She was broken up in Swansea in 1922

Construction
She was built by AG Weser of Bremen and following just under a year of construction, launched at Bremen on 23 February 1918. UB-120 was commissioned later the same year under the command of Oblt.z.S. Richard Plum. Like all Type UB III submarines, UB-120 carried 10 torpedoes and was armed with a 8.8 cm deck gun. UB-120 would carry a crew of up to 3 officer and 31 men and had a cruising range of 7,280 nmi. UB-120 had a displacement of 512 t while surfaced and 643 t when submerged. Her engines enabled her to travel at 13.9 kn when surfaced and 7.6 kn when submerged.