The 9th Army Group Royal Artillery (9 AGRA) was flexible British Army unit used to command artillery units at corps level during and shortly after the Second World War.
It provided a coherent command structure that could be switched between divisional or corps actions en masse.
The basic units were medium artillery regiments, but others were added and removed as circumstances required.
[1] Landing in Normandy on 12 July 1944, postponed from 18 June due to bad weather, the AGRA consisted of the following regiments:[2]
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