Admiral of the fleet
The ship was constructed by Marine Industries at their yard in Sorel, Quebec and was commissioned in October 1969. The ship was named in honour of Provo Wallis, a native of Halifax, Nova Scotia. Wallis was appointed Admiral of the fleet in the Royal Navy on 11 December 1877; the highest rank in the Royal Navy. The ship was registered in Ottawa, Ontario. The homeport of "Provo Wallis" was CCG Base Saint John in Saint John, New Brunswick.