When did the queen first use the royal yacht britannia and where did she go?

Queen Elizabeth II first used the royal yacht Britannia on her honeymoon in 1947. The yacht set sail for the Caribbean, marking the beginning of its service as a royal yacht, which spanned over four decades. Britannia became a symbol of British royalty and was used for official state visits, family vacations, and other royal engagements until its decommissioning in 1997.