Walmer Castle against Charles' brother, King James II, the townsfolk of Deal seized Walmer Castle on behalf of William III, the Prince of Orange. By the end of the century, however, the castle was increasingly regarded as out of date from a military perspective. In the 18th century, Walmer Castle became the official residence of the Lord Warden of the Cinque Ports. The Lord Warden was originally a medieval title linked to five key ports along the coast of England; the position's prominence had faded, but it still retained important judicial and military functions. When Lionel Sackville, the Duke of Dorset, was
1st Cinque Ports Artillery Volunteers 4th Battery of the 6th (Hastings) AVC, however, wore a naval uniform with sailors' caps until 1872. The badge of the Cinque Ports artillery volunteers was the Coat of arms of the Cinque Ports surrounded by a circlet. On officers' pouches the circlet carried the motto 'PRO ARIS ET FOCIS' ("For hearth and home"); on later tunic buttons and belt clasps shared with the rifle volunteers the circlet was inscribed 'CINQUE PORTS VOLUNTEERS'. From 1953 to 1955, 259 HAA Rgt wore an embroidered arm badge with 'CINQUE PORTS' beneath 'ROYAL ARTILLERY' in red on a navy blue backing. The following