WW2 Regional Civil Defence Staff Officer's Breast Badge

The photograph below shows Admiral Evans inspecting a Light Rescue squad in Lewisham. Between the Admiral and the squad leader is a high ranking regional Civil Defence officer - most likely the Regional Commissioner. He is wearing a tailored battledress with red gorgets to the collars as well as the special breast badge worn by regional staff. 

The rescue squad leader and several of his fellow men are wearing the austerity pattern battledress with exposed buttons (known as bachelor buttons these are revolving shank buttons held on by small circular clips). The area badge for Lewisham does not have a border and all of the men are wearing side caps.