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HMY Victoria and Albert III -

Britannia's predecessor, HMY Victoria and Albert III, is pictured at anchor in the Solent off Portsmouth harbor. Built for Queen Victoria, this was the first royal yacht not to be powered by sail. She was decommissioned in 1939.

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Launch of new yacht -

The new Royal Yacht Britannia enters the water after her launch on April 16, 1953 by Queen Elizabeth II at John Brown's shipyard on Clydebank, Scotland. The 126-m (413-ft) Britannia was designed with three masts and could reach a seagoing cruising speed of 21 knots.

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Maiden voyage -

A crowd gathers to bid the Royal Yacht Britannia farewell upon her departure from Portsmouth, England, on April 14, 1954 on her maiden voyage to Malta. The vessel was ultimately bound for Tobruk, in Libya.

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Royal passengers -

On board the vessel were Prince Charles and Princess Anne, pictured here before the yacht's departure shaking hands with the Admiral Superintendent of Portsmouth dockyard. The Queen Mother is keeping an eye on the royal youngsters.

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Embarking for the first time -

Queen Elizabeth II and Prince Philip, Duke of Edinburgh embarked on Britannia for the first time in Tobruk on May 1, 1954, at the end of the royal couple's Commonwealth tour. They are pictured with King Idris and other officials.

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Welcome home -

London crowds gather along the banks of the River Thames to greet Britannia, with the Queen and Duke of Edinburgh aboard, as it passes under Tower Bridge on its way to Westminster on May 15, 1954, at the end of its inaugural voyage.

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Chicago welcome -

Chicago's July 1959 royal welcome for the Queen and the Duke of Edinburgh was overwhelming. Some 6,000 vessels of all sizes jammed the harbor area to greet Britannia after having sailed the newly opened St. Lawrence Seaway. Queen Elizabeth, the first British monarch to visit Chicago, is pictured being welcomed by Illinois Governor William Straton. US President Dwight D. Eisenhower had been a guest during part of the voyage, having been invited to take part in the opening ceremony of the St. Lawrence Seaway.

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Canadian cheer -

Queen Elizabeth II and the Duke of Edinburgh pass cheering Canadians and Americans during the royal couple's tour of Canada. They were in Windsor, Ontario, with Britannia and the American city of Detroit in the backdrop.

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Honeymoon cruise -

HMY Britannia soon proved her worth as an ideal honeymoon cruise vessel. Princess Margaret and her husband, Antony Armstrong-Jones, 1st Earl of Snowdon, were the first royal couple to enjoy their honeymoon at sea, in 1960. Their voyage started a tradition where the yacht could access secluded locations away from the world's press to provide just-married British royalty with the privacy they desired.

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Britannia down under -

Escorted by an armada of small craft, Britannia, bearing Queen Elizabeth II and the Duke of Edinburgh, arrives off Sydney Heads during their tour of Australia in 1963. Three escorting destroyers of the Royal Australian Navy follow in her wake.

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NATO review -

Prince Philip, Queen Elizabeth II, Princess Anne, and Earl Mountbatten on board the Britannia at Spithead on the south coast of England during the Queen's review of the 62 ships of the North Atlantic Treaty Organization (NATO) fleet. This ceremony formed part of NATO's 20th-anniversary celebrations. 

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Model couple -

Queen Elizabeth II and the Duke of Edinburgh admire a gift received after the monarch opened the new accommodation of Lloyd's Register of Shipping at the society's City of London headquarters. The gift was a silver model replica of the Royal Yacht Britannia.

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Princes on deck -

Queen Elizabeth II with her sons Prince Edward, Prince Andrew, and Prince Charles on the deck of the Britannia as they arrive to attend the Olympic Games on July 1, 1976 in Montreal, Canada. Absent is Princess Anne, who was an athlete competing for the British equestrian team at the Summer Olympic Games that year.

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Silver Jubilee of Elizabeth II -

The Silver Jubilee of Queen Elizabeth II in 1977 marked the 25th anniversary of the monarch's accession to the British throne. Among the series of year-long events was the Silver Jubilee Review of the Fleet at Spithead, off Portsmouth in southern England. Britannia sailed past dozens of Royal Navy vessels anchored in the Solent on June 28, 1977.

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Onboard entertainment -

Later in the summer, the Queen and Prince Philip embarked on a Commonwealth visit that first brought them to island nations such as Fiji and Tonga. Pictured is the royal couple receiving and being entertained by Fijian folk and traditional dancers on board  Britannia. The voyage continued later with longer stints in New Zealand and Australia.

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Caribbean tour -

In October 1977, the Royal Yacht Britannia anchored off Road Harbor during Queen Elizabeth II's visit to the British Virgin Islands as part of her Silver Jubilee tour of the Caribbean.

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Tour of the Gulf States -

A six-nation tour of the Gulf States, the first ever by a female Head of State, took place in early 1979. The Queen and Prince Philip flew into the region before setting sail from Kuwait aboard Britannia.

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Charles and Diana's honeymoon -

The newly-wedded Prince Charles and Diana, Princess of Wales leave Gibraltar on Britannia for their honeymoon cruise, which commenced on July 31, 1981.

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Presidential welcome -

Queen Elizabeth and Prince Philip with US President Ronald Reagan and his wife Nancy on board Britannica during an official tour of America in 1983. A banquet was held on the vessel on March 4, 1983 to celebrate the Reagan's wedding anniversary.

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Dining in style -

The Reagan's dined in Britannia's grand dining room (pictured), which could host up to 56 guests. The dining room was set within the ship's royal apartments and included a lounge, drawing room, and guest bedrooms.

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What's on the menu? -

This is the menu for dinner when Queen Elizabeth entertained President Reagan and other dignitaries on the Royal Yacht Britannia during the royal visit to San Francisco, California.

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Prince William and Prince Harry -

Joining Prince Charles and Princess Diana on their 17-day tour of Italy's sights and cities in April-May 1985 was Prince William and Prince Harry. The family are seen on board Britannia at Venice.

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"Second honeymoon" -

Many Italians described the tour as a "second honeymoon" for the royal couple. Meanwhile, cities like Venice certainly provided a beautiful and historic backdrop for HMY Britannia.

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Humanitarian role -

In January 1986, Queen Elizabeth's luxury yacht rescued over 500 people of nearly 50 different nationalities from war-torn South Yemen and evacuated them to Djibouti. Britannia maneuvered close to a beach east of Aden to pick up civilians caught in the violent unrest after fighting broke out in the wake of a failed coup d'etat, which quickly escalated into civil war.

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Give us a wave -

Growing up fast, Prince William and Prince Harry wear baseball-style caps given to them by the crew of the Canadian frigate HMCS Ottawa after they toured the ship that was moored alongside Britannia on the Toronto waterfront. Charles and Diana were in Canada in late October 1991 as part of a royal tour.

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D-Day commemorations -

June 6, 1994 marked the 50th anniversary of the D-Day landings in Normandy. To mark the historic occasion, Britannia and her royal passengers joined a colorful fleet review off Portsmouth and Gosport, in southern England.

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VIP photograph -

The Queen, Heads of State, and their wives aboard the Royal Yacht Britannia for the D-Day 50th anniversary celebrations, US President Bill Clinton among them. Besides hosting politically- and diplomatically-themed functions, Britannia held numerous "Sea Days"— British overseas trade missions to promote business, trade, and industry around the globe.

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VIP guests and celebrities -

Among the many VIPs who wined and dined onboard Britannia was President Nelson Mandela, pictured here in 1995. Other guests welcomed onboard over the years include Winton Churchill and celebrities such as Frank Sinatra and Elizabeth Taylor.

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Final foreign mission -

The handover ceremony of Hong Kong on July 1, 1997, which marked the transfer of sovereignty over the territory from the UK to China, was the Royal Yacht's final foreign mission. Britannia had been scheduled for decommissioning.

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Time to disembark -

Britannia is pictured returning to Portsmouth in November 1997. The vessel would be decommissioned the following month. Thousands of well-wishers lined the shore and gathered at the entrance to the harbor to witness the historic moment as the grand old lady of the seas arrived at the end of her farewell tour of Britain.

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Tearful farewell -

On December 11, 1997, after 44 years in royal service, Britannia was retired from the seas. The late Queen, normally undemonstrative, was seen wiping away a tear during the decommissioning service, which was also attended by Prince Philip and Prince Charles.

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A new role -

HMY Britannia sailed to Scotland and began a new role as a visitor attraction moored in the historic Port of Leith in Edinburgh.

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Still a royal favorite -

Britannia still hosts the occasional royal get-together. Pictured on July 29, 2011 are Kate and William arriving for an evening reception onboard the royal yacht to celebrate the impending wedding of Zara Phillips (the eldest granddaughter of Queen Elizabeth II) and Mike Tindall.

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Popular tourist attraction -

Today the Royal Yacht Britannia is one of Scotland's most popular tourist attractions.

Sources: (SuperYacht Times) (Royal Yacht Britannia) (CBC Archives) (The Royal Watcher) (United Press International) (AP News)

See also: All aboard! Vintage photographs of celebrities at sea

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