Charles, Prince of Wales is the apparent heir to the British throne as he is the eldest son of Queen Elizabeth II. He is the longest serving Prince of Wales, having the title since 1958. Charles, Prince of Wales served in the Royal Air Force and Royal Navy from 1971 to 1976. He married Diana, Princess of Wales in 1981 and had two sons, Prince William and Prince Harry. The couple divorced in 1996. In 2005, Charles remarried to Camilla Parker Bowles. Charles, Prince of Wales performs official duties on behalf of the queen and is a patron, president, and member of more than 400 organizations.