Thousands of people have gathered in central London to watch a historic flypast of vintage and modern RAF aircraft. Among them were veterans who crewed the planes and helicopters that soared above the capital.
Eric Rollings was the pilot of a Dakota and flew supply missions over Burma during the Second World War. The 97-year-old said it was an honour to be invited to the RAF centenary celebrations.
"It's nice to see all the people and all the ex-servicemen with their medals"
Also among the guests were the current generation of RAF servicemen and women from recent conflicts.
Warrant Officer Caroline Cooper served as a Medic and has transported injured personnel from Iraq and Afghanistan. She said the final outcome has proved to be rewarding.
"When you see them back with their loved ones and especially with their children, that really hits home that you've made a big impact"
Members of the Royal Family have been among 43,000 visitors to a display of RAF aircraft on Horse Guards Parade.
The Chief of the Air Staff, Air Chief Marshal Sir Stephen Hillier, summed up the feelings of many about the event.
"It has been a truly outstanding day and I just want to thank everyone who has worked so hard to make all of this happen"