More than 50,000 people have been at RAF Fairford for the second day of the Royal International Air Tattoo.
Among the many flying displays were the Red Arrows - who are celebrating their 50th anniversary.
The event opened for the first time on a Friday this year, which allowed fans to get up close and meet the pilots and engineers.
Andy Armstrong, Chief Executive of RAF Charitable Trust Enterprises, says its been a great success:
The Royal International Air Tattoo opened to the public for the first time today. Thousands were treated to the sights and sounds of the world's biggest military air show at RAF Fairford in Gloucestershire.
There were two major draws today - the Red Arrows, who are celebrating their 50th anniversary, and the Prince of Wales - who was once a pilot himself.
Our Gloucestershire Correspondent Ken Goodwin was there - and captured a flavour of the event on his camera.
The world's largest military airshow is underway in Gloucestershire. It's the first time that the Royal International Air Tattoo has opened on a Friday.
The Prince of Wales has joined celebrations marking the 50th anniversary of the Red Arrows display team.
But there's disappointment that an American fighter jet, which was due to make its international show debut, has been grounded for safety reasons.
Thousands of people have made the trip to RAF Fairford in Gloucestershire today for the world's biggest military airshow. Prince Charles is there too.
This year the International Air Tattoo is celebrating the 50th anniversary of the Red Arrows. It's the first time the event has opened to the public on a Friday.
Thousands are expected at RAF Fairford in Gloucestershire for the world's biggest military air show.
The Royal International Air Tattoo opens to the public today. Prince Charles is expected to attend.
It was two wheels versus two wings at the preview of this years Royal International Air Tattoo at Fairford, as a mountain bike stunt rider performed in front of a supersonic jet.
The organisers say they are keeping their fingers crossed for good weather as the last couple of years have been blighted by rain. Ken Goodwin reports on what the show has in store.
In the words of the song, we believe he can touch the sky....
Video of mountain biker Blake Sampson performing stunts in the shadow of an RAF Typhoon Jet. It was all taking place at the preview of this year's Royal International Air Tattoo at RAF Fairford in Gloucestershire.