Queen Elizabeth and senior members of her family were attending celebrations to mark the 100th anniversary of Britain's Royal Air Force on Tuesday, ahead of a flypast of nearly 100 aircraft over Buckingham Palace in central London. Earlier in the day, the Queen had congratulated the RAF for its "remarkable contribution to defence" over the past 100 years and presented a new Queen's Colour to the air force to mark the occasion.
Her Majesty The Queen, accompanied by Prince Charles, will present a new Queen's Colour to the Royal Air Force at a ceremony on the forecourt of Buckingham Palace.
The aircraft were returning to their base at RAF Scampton after the RAF 100 Flypast over London on Tuesday.
It's a festive week for the royal family. In their biggest formation, 22 Typhoon jets spelled out the number 100.
Queen Elizabeth watched on today as nearly 100 aircraft flew over Buckingham Palace in a celebration to mark the 100th anniversary of Britain's Royal Air Force.
It was "proper and right", the Archbishop said, to celebrate and give thanks to God "for the providence which has brought us the Royal Air Force, its pilots and crews and ground crews".
Westminster Abbey will host a special service and more than a thousand servicemen and women will take part in a parade on The Mall.
At just after 1pm on Tuesday, Puma and Chinook helicopters began the spectacle, followed by aircraft including a Lancaster, Spitfires, Hurricanes, the A400M Atlas, Tornados and three F-35 stealth fighter jets. The Red Arrows streamed red, white and blue smoke over the length of the Mall.
An RAF ensign was draped over the high altar behind him, as he said that people should remember with "sorrow and profound thanksgiving" those who gave their lives, and give thanks for all those who served with the RAF in war and peace.
Eagle-eyed watchers have noted that Meghan, who was wearing a black Dior dress with bateau neckline, was missing a brooch in her outfit.
RAF head Air Chief Marshal Sir Stephen Hillier said the flypast, "commemorating all of our history and celebrating what we do today" - would also send a pointed world message.
Britain's Prince William, Duke of Cambridge (L), Britain's Meghan, Duchess of Sussex (C) and Britain's Prince Harry, Duke of Sussex (R) arrive for a service to mark the centenary of the Royal Air Force (RAF) at Westminster Abbey in central London on July 10, 2018.