That was the case during World War 2 when the Canadian Navy, Merchant Navy and Air Force all fought the Battle of the Atlantic from September 1939 to May 1945.
Lieutenant-Commander Mark Brown o HMCS Brunswicker tells CHSJ News the battle will be commemorated on Sunday morning in a service at Grace Presbyterian Church at 11am.
He says members of HMCS Brunswicker-the Royal Canadian Navy, Navy League cadets and Royal Canadian Sea cadets will march from the church on Cobourg street to Market slip by the Hilton hotel.
Brown says dignetaries attending the service will throw wreaths into the Harbour to commemorate the Battle of the Atlantic.
The service on Sunday begins at 11am at Grace Presbyterian Church followed by a march from the church down Cobourg crossing Union to Charlotte down King to Market slip near the Hilton.
