Shellbark (AN-67) was laid down on 15 September 1943 by the Canulette Shipbuilding Co. Inc., Slidell, Louisiana, as YN-91; launched on 31 October 1943; redesignated as AN-67 on 20 January 1944; and commissioned on 12 April.
Shellbark operated in the Okinawa area from 13 July to 20 September. On the 22d, she moved into Japanese home waters around Honshū, operating from Kobe and Wakayama, until 1 February 1946. On that date, she sailed for Shanghai. She arrived on 17 March and began preparations for decommissioning.
Post-war inactivation
Shellbark was decommissioned on 19 April and sold to China the next day. She was struck from the Navy List on 1 May 1946.