The heads of France and the United Kingdom flew in Concorde many times.[318] Presidents Georges Pompidou,[319] Valéry Giscard d'Estaing[320] and François Mitterrand[321] regularly used Concorde as French flagman aircraft in foreign visits. Queen Elizabeth II and Prime Ministers Edward Heath, Jim Callaghan, Margaret Thatcher, John Major and Tony Blair took Concorde in some charter flights such as the Queen's trips to Barbados on her Silver Jubilee in 1977, in 1987 and in 2003, to the Middle East in 1984 and to the United States in 1991.[322] Pope John Paul II flew on Concorde in May 1989.[323]