Prince Harry in uniform

Prince Harry, seen shortly after his return from active duty in Afghanistan, removes his body armor as he leaves the Royal Air Force’s Brize Norton air base in Oxfordshire, England, on March 1, 2008.  (Lefteris Pitarakis / AP)

Prince Harry, left, arriving for a thanksgiving service at the Army Garrison Church in Windsor, England, after receiving a campaign medal for serving in Afghanistan.  (Matt Dunham / AP)

Prince Harry smiles during a photo call at RAF Shawbury in Shropshire, England.  (Kirsty Wigglesworth / AP)

Prince Harry sounds an air horn that malfunctions upon starting the leg of the March for Honor during the opening of the Royal British Legion Wootton Bassett Field of Remembrance in Wiltshire, England, on Nov. 9, 2010.   (David Parker / AFP / Getty Images)

Captain Wales, as he is known in the British Army, races out from a tent to scramble his Apache with fellow pilots during his 12-hour shift at the British controlled flight-line in Camp Bastion in southern Afghanistan.   (John Stillwell / AP)

Captain Wales wears his monocle gun as he sits in the front seat of his cockpit at the British controlled flight-line in Camp Bastion southern Afghanistan on Dec. 12, 2012.  (John Stillwell / AP)

Prince Harry salutes at Garden Island in Sydney as he arrives to attend the 2013 International Fleet Review on Oct. 5, 2013.  (Saeed Khan / AFP / Getty Images)

Members of Britain’s Royal Family: Prince Edward, Earl of Wessex, left; Prince Andrew, Duke of York; Prince Harry; Catherine, Duchess of Cambridge; and Prince William, Duke of Cambridge, as they attend part of a Service of Commemoration at St. Paul’s Cathedral in London on March 13, 2015.

Britain’s Prince William, Duke of Cambridge, Prince Harry and Catherine, Duchess of Cambridge, and other members of the royal family arrive at the memorial service marking the end of Britain’s combat operations in Afghanistan at St. Paul’s Cathedral in central London on March 13, 2015.

Prince Harry speaks with armed forces personnel during a reception at Guildhall, London, after a Service of Commemoration at St. Paul’s Cathedral on March 13, 2015.  (Toby Melville / AP)