Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. USS Shellbark (AN-67/YN-91) was a Ailanthus-class net laying ship which was assigned to protect U.S. Navy ships and harbors during World War II with her anti-submarine nets. 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 sailed to Newport, Rhode Island, on the 30th to begin her shakedown cruise. Upon completion, she was in the Boston Navy Yard from 24 to 31 May.

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