Hemel Hempstead Probus Club, St John's Church Hall, Station Road, Hemel Hempstead HP1 1JY. Doors 10.00am with coffee served, meeting 10.30am-12noon. During WWII, more than a million men and women served or supported Bomber Command. Originating in 60 nations across the world, they were united in their efforts to protect the freedom we enjoy today. Speaker: Nigel Moore.