Dam Busters; 1943-; No. 617 Squadron was a Royal Air Force aircraft squadron based at RAF Lossiemouth in Scotland. It operated the Tornado GR4 in the ground attack and reconnaissance role. It is commonly known as the "Dambusters", for its actions during Operation Chastise against German dams during the Second World War.
Derbyshire Yeomanry; 1794-1957; Regiment, amalgamated into The Leicestershire and Derbyshire (Prince Albert's Own) Yeomanry in 1957.
Sherwood Foresters; 1881-1970; British army regiment
Bryan Donkin Company Ltd of Chesterfield, engineering firm