Prince William of Wales (William Arthur Philip Louis; born 21 June 1982) is the elder son of Charles, Prince of Wales and the late Diana, Princess of Wales. He is second in the line of succession to the British throne and those of each of the other Commonwealth Realms. As the son of the Prince of Wales and the grandson of Queen Elizabeth II and Prince Philip, Duke of Edinburgh, Prince William is a member of the British Royal Family. He was the first Prince to be born into the immediate Royal family since the birth of Prince Edward in 1964.
The prince is as of 2007 serving as a Cornet in the Blues and Royals regiment of the British Army's Household Cavalry, together with his younger brother, Prince Harry. Within his regiment, he is known as Cornet William Wales. In 2008 William was enrolled in the pilot training program at RAF Cranwell where he is referred to as "Flying Officer Wales", he was given the callsign Billy the Fish by his fellow pilots being a pun on his name William Wales which also uses a part of his father's title for his surname.
