William at 40: A milestone birthday in a life under scrutiny

FILE Britain's Prince William gestures as he walks across the airfield at RAF Cranwell, Lincolnshire, England, Thursday, Jan. 17, 2008. The world watched as Prince William grew from a towheaded schoolboy to a dashing air-sea rescue pilot to a father of three. But as he turns 40 on Tuesday, June 21, 2022, William is making the biggest change yet: assuming an increasingly central role in the royal family as he prepares for his eventual accession to the throne. (AP Photo/Kirsty Wigglesworth, File)