Britain's Queen Elizabeth ll and the Duke of Edinburgh, wearing a Canadian naval uniform, are welcomed by Canadian Prime Minister Stephen Harper (L) at Canadian Forces Base Halifax in Halifax, Nova Scotia, June 29, 2010.[Agencies]

It is now the home port for the Canadian Navy's Atlantic fleet.

The queen is visiting Canada with her husband Prince Philip.

During her 22nd official tour of the country, the 84-year-old monarch will travel to parliament and address the nation on Canada Day on Thursday.

She will also travel to Winnipeg, Manitoba, where she is expected to attend a horse race, and then wrap up her tour in Toronto, where she is due to visit Research in Motion, the maker of the popular Blackberry handset.