the new unit consisted of nos 1, 2 and 3 electric light and works companies. personnel from the kfre appear to have provided the basis for 347 (kent) anti-aircraft searchlight company, re, formed at sidcup in 29th (kent) anti-aircraft battalion, re, in october 1937. in april 1939, 347 company became part of (and gave its name to) a new 73rd (kent fortress) aa battalion.