A thousand schoolchildren from the Midlands will find out what it was like to be an evacuee during World War 2 later.
The Great Central Railway at Loughborough in Leicestershire is putting on a special lesson for the youngsters, as part of its Wartime Weekend event.
There will be another service to commemorate the Dambusters raid today, this time in Lincoln Cathedral. The event will be attended by more than 1,300 people, including veterans of the raid Johnny Johnson and Les Munro, who has flown from New Zealand to be here.
Other relatives of those involved in the raids, including Guy Gibson's nephew and Mary Stopes Roe, the daughter of bouncing bomb inventor Barnes Wallis, will also be in attendance.
The service will be led by the Dean of Lincoln Cathedral, supported by the Chaplain in Chief of the Royal Air Force, and will be followed by a flypast by the Lancaster of the RAF Battle of Britain Memorial Flight and a pair of Tornado aircraft from 617 Squadron.
It follows last night's flypast infront of hundreds of people at RAF Scampton where the Dambusters mission began.
There has been another flypast this evening - this time at a service of remembrance in front of hundreds of people at RAF Scampton where the Dambusters mission began. James Webster was there.
In a moving interview, Lincolnshire-born survivor Johnny Johnson looks back over his life and says he was "lucky" in more ways than one.
Hundreds of people turned out to witness the Dambusters' commemorative flypast in Derbyshire, Chris Kiddey among them.
Mary Stopes-Roe is the daughter of Barnes Wallis, the man who invented the infamous "bouncing bomb".
See great footage taken from the cockpit of the Dambusters's flypast.
Dambuster veterans Les Munroe Sqdn Ldr George "Johnny" Johnson talk about their part in the raid.
A Lancaster bomber recreated history this lunchtime by flying over Derwent Reservoir as part of the events to mark the 70th anniversary of the war-time Dambusters air raid. The dam in the Peak District's Hope Valley was used by airmen for practice runs ahead of their daring WWII operation.