His Majesty's Canadian Ship (HMCS) Prevost (/ˈpriːvoʊ/) is a Canadian Forces Naval Reserve Division (NRD) located in London, Ontario. Dubbed a stone frigate, HMCS Prevost is a land-based naval establishment for training part-time sailors as well as functioning as a local recruitment centre for the Royal Canadian Navy (RCN). Prevost reserve sailors serve on all classes of ship on both coasts and the Great Lakes and have served on many occasions overseas on UN and NATO tours of duty, along with harbour defence units.