7 4 th ▁AA ▁B de ▁under ▁the ▁command ▁of ▁First ▁Canadian ▁Army . ▁ ▁The ▁regiment ▁had ▁the ▁honour ▁of ▁being ▁selected ▁to ▁fire ▁a ▁sal ute ▁of ▁its ▁ 3 . 7 - inch ▁guns ▁at ▁ 2 1 st ▁Army ▁Group ▁H Q ▁on ▁ 6 ▁May ▁ 1 9 4 5 ▁to ▁celebr ate ▁Vict ory ▁in ▁Europe . ▁The ▁regiment ▁with ▁ 1 6 8 , ▁ 1 6 9 ▁and ▁ 2 0 5 ▁H AA ▁B t ys ▁was ▁placed ▁in ▁susp ended ▁animation ▁in ▁British ▁Army ▁of ▁the ▁Rh ine ▁on ▁ 3 ▁April ▁ 1 9 4 6 . ▁ ▁Post war ▁The ▁regiment ▁was ▁reform ed ▁in ▁the ▁reconst it uted ▁T A ▁on ▁ 1 ▁January ▁ 1 9 4 7 ▁as ▁ 4 6 0 ▁H AA ▁Regiment , ▁RA ▁( City ▁of ▁London ) ▁with ▁its ▁H Q ▁at ▁Cat ford . ▁It ▁formed ▁part ▁of ▁a ▁short - l ived ▁ 7 5 ▁AA ▁B de ▁( the ▁former ▁ 4 9 ▁AA ▁B de ) ▁at ▁Gro ve ▁Park , ▁Lew ish am . ▁When ▁AA ▁Command ▁was ▁dis band ed ▁in ▁ 1 9 5 5 ▁there ▁was ▁a ▁considerable ▁reduction ▁in ▁the ▁number ▁of ▁AA ▁units , ▁and ▁ 4 6 0 ▁H AA ▁was ▁merged ▁into ▁ 2 6 5 ▁( 8 th ▁London ) ▁H AA ▁Regiment ▁as ▁R ▁B atter y ▁( 4 th ▁City ▁of ▁London ). ▁In ▁ 1 9 6