Originally formed as C AGRA in June 1943 it was renumbered 10 Army Group RA the following month. Its units were absorbed by 7 AGRA in March 1945 and the 10 Army Group RA was disbanded in the United Kingdom late 1945.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| 27 Jul 43 | Formed | Cairo, Egypt | |
| Mar 44 | Italy | ||
| Jul 44 |  |
5 US Army, 4 US Corps | Italy |
| Mar 45 | Absorbed by 7 Army Group RA | Italy | |
| 2 Nov 45 | Disbanded | UK |