. . . . "54th" . "54th (City of London) AA Rgt's" . . . . "1954" . . "54th (City of London) AA Rgt" . . "1923" . . . "54th (City of London) HAA Rgt" . "Regiment" . "Air Defence" . "54th (City of London) Heavy Anti-Aircraft Regiment, Royal Artillery" . "454 (City of London) HAA Rgt" . . . "54 (City of London) HAA Regiment" . . . . "454 (City of London) HAA Regiment" . . . "54th (City of London) Heavy Anti-Aircraft Regiment, Royal Artillery" . . . "54th (City of London) Anti-Aircraft Brigade" . "454 (City of London)" . . . "54th (City of London) AA Rgts" . . .