82nd (Essex) Heavy Anti-Aircraft Regiment, Royal Artillery, was a volunteer air defence unit of Britain's Territorial Army (TA) from 1938 until 1955. During World War II it served in the Norwegian Campaign, defended Gibraltar and the D-Day invasion ports, and took part in Operation Diver against the V-1 flying bombs.

The 37th Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA) formed just before the outbreak of the Second World War. It was engaged in defending the Thames Estuary during the war, and continued to form part of Anti-Aircraft Command in the postwar era.