Torpedoboot T15 was part of the 3rd TFlottila after commisioned. Transferred to Rotterdam in January 1942 to participate in Operation Cerberus. On 19.03.1942, T15 escorted the CA Admiral Hipper to Norway and returned to Germany in July 1942. Sunk by American bombs on 13.12.1943 while being docked in Kiel.