The oldest and one of the most decorated RAF veterans will meet people in Southwell today. They've been campaigning for years to get a memorial plaque in memory of seven RAF pilots who were involved in a crash there.
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Nine professional and amateur pilots will take off on a virtual trip of the world to raise money for Lincs & Notts Air Ambulance.
There will be long periods of sunshine and light winds.
It will be dry, sunny and warm.