 "U-1235" was fitted with six torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one SK C/32 naval gun, 180 rounds, and a Flak M42 as well as two twin C/30 anti-aircraft guns.The boat had a complement of forty-eight.The U-boat completed two combat patrols in early 1945, but did not sink any ships.