Lord Warden of the Cinque Ports was combined from 1267 with the office of Constable of Dover Castle. However, from 1708 Walmer Castle at Deal was to be preferred as the official residence of the Lord Warden of the Cinque Ports. The Lord Warden also holds the office of Admiral of the Cinque Ports with a maritime jurisdiction extending to the middle of the English Channel, from Redcliffe near Seaford, in Sussex to the shore underneath the Naze Tower, encompassing Brightlingsea in Essex, the only Cinque Port north of the Thames. In earlier centuries the northern limit was taken as the Shoe Beacon in Essex. The
89th (Cinque Ports) Heavy Anti-Aircraft Regiment, Royal Artillery duplicate of the newly converted 75th (Home Counties) (Cinque Ports) Anti-Aircraft Regiment, based on two batteries (234th and 235th) transferred from that regiment, together with a more experienced anti-aircraft (AA) battery (205th), which had served with several Kent units, most recently 55th (Kent) AA Rgt, and provided the regimental headquarters (RHQ) at Sittingbourne. Whether officially sanctioned or not, the new regiment used the same 'Cinque Ports' subtitle as its parent regiment raised in the ancient Cinque Ports of Kent. The new regiment came into existence in April 1939 with the following organisation: 89th (Cinque Ports) Anti-Aircraft Regiment, Royal Artillery The