21st Regiment RA
| 21st Heavy Anti-Aircraft Regiment Regiment Royal Artillery | ||
| Dates | Locations | Batteries - Equipment |
| 1947.04.01 | RHQ 2nd Heavy Anti-Aircraft Regiment RA re-titled 21st Heavy Anti-Aircraft Regiment RA, with 20, 57 and 71 HAA Btys redesignated from 15 Coast Bty (personnel from 28 HAA Bty), 16 and 20 HAA Btys, respectively. | |
| 1947.04 | Wales: Kinmel Park Bks, Rhyl | 20, 57 and 71 HAA Btys 3.7" Gun |
| Late 1947 | England: Wrottesley Park, near Wolverhampton | 20, 57 and 71 HAA Btys 3.7" Gun |
| 16 Oct 48: Reduced to cadre and RHQ, 20, 57 and 71 Btys concurrently reformed from personnel of RHQ 88th HAA Regt and 253, 254 and 258 HAA Btys respectively. | ||
| 1948.10 | England: Harrington Bks, Liverpool | 20, 57 and 71 HAA Btys 3.7" Gun |
| 1951 | England: Saighton Camp, Chester | 20, 57 and 71 HAA Btys 3.7" Gun |
| 1952 | England: Lindsey Street Trg Depot, Newcastle | 20, 57 and 71 HAA Btys 3.7" Gun |
| ? | England: ? Bks, Woolwich | 20, 57 and 71 HAA Btys 3.7" Gun |
| c1953? | England: Saighton Camp, Chester | 20, 57 and 71 HAA Btys |
| 1 May 55: RHQ and Btys reduced to cadre at Chester. | ||
| 15 July reformed at Redford Infantry Bks, Edinburgh as 21st Medium Regiment (20, 57 and 71 Btys) from personnel of 60th Medium Regt RA (100, 224 and 228 Btys respectively), equipped with 5.5" gun. | ||
| 1955.08 | Scotland: Redford Bks, Edinburgh | 20, 57 and 71 Med Btys 5.5” Gun |
| Jul 56 – Jul 57: Cyprus: Stroumbi & Eastend Camps, Paphos district | Infantry role | |
| 17 Feb 58: 71 Bty placed in suspended animation (disbanded 1/1/62) and 7 Bty joined the Regt ex 15th Med Regt RA. | 7, 20 and 57 Med Btys | |
| 1959 | England: Bradbury Lines, Hereford | 7, 20 and 57 Med Btys 5.5” Gun |
| 1960.12 | Wales: Kimnel Park Camp, Rhyl | 7, 20 and 57 Med Btys 5.5” Gun |
| 31 Oct 61: 20 Bty placed in suspended animation (later in 95 Cdo Regt RA). | ||
| 30 Nov 61: 7 Bty placed in suspended animation (later in 95 Cdo Regt RA). | ||
| 1962.01 | Germany: St Barbara Bks, Fallingbostel | 57 Bty |
| Jan 62: 14 Bty joined the Regt ex 94 Regt RA. | 14 and 57 Loc Btys | |
| Renamed 21st Locating Regiment Royal Artillery: 14 Bty equipped for Meteorology and Survey, 57 Bty equipped with Drone and Robert systems. | Meteorology & Survey: Drone & Robert | |
| 29 Apr 64: 57 Bty moved to 94 Regt. | ||
| 15 Jun 64: RHQ & 14 Bty placed into suspended animation. (14 Bty later in 16th Lt AD Regt RA). | ||
| 15 Jun 1964 – Suspended Animation | ||
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