 During the War of 1812, the Royal Navy also assumed direct control of the Provincial Marine's vessels in 1813, after the Provincial Marine performed poorly in 1812 against Commodore Isaac Chauncey's American Lake Ontario squadron.The Royal Navy units under Commodore Sir James Lucas Yeo began commanding the facility after May 1813; the dockyard on Point Frederick grew rapidly.By the end of 1814, the dockyard produced the largest naval squadron on the Great Lakes with 1,600 personnel serving on the flagship "St Lawrence" and on other vessels.