On the day that the Duchess of Cambridge has gone into labour, Prince Charles will visit the home of the Mallard as part of its 75th anniversary celebrations.
The steam locomotive set a world record when it reached 126 miles per hour between Peterborough and Grantham in 1938.
The train is currently on display in York.
The families of wounded servicemen and women in the Midlands will now be able to live within minutes of where their loved ones are being treated and it is thanks in part to President Barack Obama and his wife Michelle.
They've donated more than $100,000 to a charity which has built a home where the families can stay for free.
Today, Prince Charles was there for the official opening. This report from correspondent Mark Gough contains flash photography.
The Prince of Wales officially opened Fisher House UK today, a home for military patients and their families.
The Prince toured the house, which is supported by the Queen Elizabeth Hospital, the charity, Help for Heroes and the Fisher House Foundation.
Later he met staff, wounded service personnel and their families and attended a reception with supporters.
The Prince of Wales has made a direct plea to doctors and nurses to listen to their patients and to show them “human kindness” following reports of patient neglect at a hospital in Worcestershire.
In an article in the Journal of the Royal Society of Medicine, the prince said the industry must "listen and honour what is being said and not said by patients".
He added that a health service's vision should acknowledge "physical and social environment, education, agriculture and architecture".