21 Anti-Tank Regiment RA

3 Sep 391 Infantry DivisionAldershot, Hampshire, UK
Sep 391 Infantry DivisionFrance
Jun 401 Infantry DivisionUK
Nov 40Cadre to form 74 Anti-Tank Regiment
Oct 41Guards Support GroupUK
Jun 42Guards Armoured DivisionUK
Jun 44Guards Armoured DivisionNW Europe
Jun 457 Armoured DivisionNW Europe

Batteries

3 Sep 39Q, Y, Z, BB
Sep 41BB Battery to form 81 Anti-Tank Regiment
Jul 45Q (Sanna’s Post), Y, Z, 2 (Minden)