Canonicus (ACM-12) was a Camanche-class auxiliary minelayer in the United States Navy. It was named for Canonicus, a chief of the Narragansett Indians. Canonicus was originally delivered to the United States Army Coast Artillery Corps, Mine Planter Service in 1942 by Marietta Manufacturing Company of Point Pleasant, West Virginia. The ship was named USAMP Major General Erasmus Weaver for Erasmus M. Weaver, Jr., the first chief of the National Guard Bureau. After being in reserve with the Navy the ship became a yacht, was converted to diesel, and became the Sandy Hook pilot boat New Jersey.