573 Coast Regiment RA was formed in May 1943 at Ramillies Baracks, Aldershot. It was formed with a Plotting Room but without batteries. The Plotting Room was disbanded in December 1945 and RHQ in May 1946.
| May 43 | Formed with Plotting Room only – No batteries | Aldershot, Hampshire, UK |
| Jul 43 | 8 Army | Sicily |
| Sep 43 | 8 Army | Italy |
| Dec 45 | Plotting Room disbanded | |
| May 46 | RHQ disbanded |
