HMS Ludham(M2708) a Ham class Minesweeper an inshore minesweepers (IMS), known as the Type 1, .The class was designed to operate in the shallow water of rivers and estuaries. The parent firm responsible for supervising construction was Samuel White of Cowes, Isle of Wight. Unlike traditional minesweepers, they were not equipped for sweeping moored or magnetic mines. Their work was to locate individual mines and neutralise them. The class consisted of 93 ships, launched between '54 & '59
HMS Swale, a River Class Frigate.151 River Class frigates were launched between '41 and '44 for use as convoy escorts in the North Atlantic. The majority served with the RN & RCN, some served with other Allied navies. They were designed by William Reed to have the endurance and anti-submarine capabilities of the Black Swan-class sloops, while being quick and cheap to build in civil dockyards using the machinery and construction techniques pioneered in the Flower-class corvettes.
5029. The same moment, clearly, as DIAMANTINA leaves a launch in her wake. The WWII River Class frigate and long-time postwar oceanographic survey vessel became the premier exhibit at the Queensland Maritime Museum in South Brisbane in 1980, a role she has played for more than 30 years as this is written in 2011. Photo: RAN Historical, Navy Heritage Collection, image ID NO. 00357.
HMS Whelp (R37) 1943, was a W-class destroyer of the Royal Navy (RN) that was ordered and launched during the Second World War. After completing trials in home waters, she joined the 27th Destroyer Flotilla, which was sent to the Far East via the Mediterranean. Whelp's duties with the British Pacific Fleet were to escort the major ships, such as aircraft carriers and battleships, during operations by the Fleet Air Arm against Japanese oil refineries in Sumatra and airfields near Okinawa.
HMS Cam(K264) a River class Frigate. built by G.Brown of Greenock, build was completed on 21/01/44. One of the four River class to be fitted with steam Turbines instead of steam reciprocating engines. On 18th July'44 whilst involved in a depth charge attack on a U-boat, an underwater explosion severely damaged her. Upon being towed to Portsmouth was declared a total loss and was eventually scrapped in July ;45