Thousands of onlookers lined the Mall and the royals watched from a Buckingham Palace balcony as “up to 100” aircraft took part in the centenary celebrations of the Royal Air Force

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Source: Steve Parsons / PA Wire / PA Images

Thousands of onlookers lined the Mall and the royals watched from a Buckingham Palace balcony as “up to 100” aircraft (they flew over Building’s Shoreditch offices a bit too fast to count precisely) took part in the centenary celebrations of the Royal Air Force. The RAF was created as a standalone force, separate from the armed and naval forces, on 1 April 1918