Prince Harry's Christmas card features his favourite moment from the past year

Prince Harry had a very busy 2015. From being the royal face of the Rugby World Cup in London, to receiving a knighthood from his grandmother, the Queen, to rubbing shoulders with the Obamas, the 31-year-old experienced a lot of pinch-yourself moments this year.

In celebration of the holidays, Prince Harry has singled out one special moment to commemorate on his annual Christmas card. The prince has revealed that meeting 95-year-old war veteran Tom Neil at the Battle of Britain flypast on his birthday in September was the highlight of his journey this year.

Prince Harry said it was an "honour" to meet war veteran Tom Neil. Photo: © PA

Having left the army in June after ten years of service, the Prince has chosen to pay tribute to the Armed Forces in his latest card.

He spent his birthday at Goodwood Aerodrome in Sussex where he was due to take part in a flypast to mark the 75th anniversary of the victorious Battle of Britain.

But when one of the aircrafts was deemed unserviceable, Harry gave up his seat so that Mr Neil and two other wounded servicemen could take part in the flypast as scheduled.

Harry leant onto Mr Neil's walking stick as he watched the aircraft take off. Photo: © Getty Images

Harry, who said it was an "honour" to meet Wing Commander Tom Neil DFC, AFC, AE, clutched the veteran's hand before takeoff. Harry was then pictured leaning onto Mr Neil's walking stick as he watched the aircraft take to the skies.

"Merry Christmas from Prince Harry!" a tweet from Kensington Palace read. "Here's his Christmas card photo showing one of his favourite moments from 2015."

Prince Charles and the Duchess of Cornwall unveiled their sweet card last week. Photo: © PA

Harry's Christmas card comes after members of his family have also released theirs. A few days ago his father Prince Charles and the Duchess of Cornwall unveiled their sweet card – a picture that was taken in the summer showing the couple cuddling up to each other in the countryside.

Prince William and Kate issued their first card as a family of four, choosing a gorgeous portrait taken by Mario Testino at baby Princess Charlotte's christening in July.

Prince William and Kate's card shows off their new baby Princess Charlotte.

Prince Philip chose a sunny photo of himself and the Queen arriving at Royal Ascot, where Her Majesty donned a bright yellow dress and matching hat.

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