HMS Arethusa was the name ship of her class of light cruisers built for the Royal Navy. She was built by Chatham Dockyard, with the keel being laid down on 25 January 1933. She was launched on 6 March 1934, and commissioned 21 May 1935 by Captain Philip Vian.
HMS Suffolk, pennant number 55, was a County-class heavy cruiser of the Royal Navy, and part of the Kent subclass. She was built by Portsmouth Dockyard, Portsmouth, UK, with the keel being laid down on 30 September 1924. She was launched on 16 February 1926, and commissioned on 31 May 1928. During the Second World War, Suffolk took part in the Norwegian Campaign in 1940 and then the Battle of the Denmark Strait in 1941, before serving in the Arctic throughout the following year. After a refit that concluded in April 1943, the cruiser served in the Far East until the end of the war. In the immediate post-war period, Suffolk undertook transport duties between the Far East, Australia and the United Kingdom before being placed in reserve in mid-1946. The vessel was sold off and then scrapped in 1948.
HNoMS Norge was a coastal defence ship of the Eidsvold-class in the Royal Norwegian Navy. Built by Armstrong Whitworth at Newcastle on Tyne, she was torpedoed and sunk by German destroyers in Narvik harbour on 9 April 1940.
HNoMS Trygg was a torpedo boat of the Royal Norwegian Navy. Her hull was built in Moss and she was finished in Horten, with build number 109. Trygg had two sister ships: HNoMS Snøgg and HNoMS Stegg. Together the three vessels formed the Trygg class of torpedo boats.
Köln was a light cruiser, the third member of the Königsberg class that was operated between 1929 and March 1945, including service in World War II. She was operated by two German navies, the Reichsmarine and the Kriegsmarine. She had two sister ships, Königsberg and Karlsruhe. Köln was built by the Deutsche Werke shipyard in Kiel; she was laid down in August 1926, launched in May 1928, and commissioned into the Reichsmarine in 15 January 1930. She was armed with a main battery of nine 15 cm SK C/25 guns in three triple turrets and had a top speed of 32 knots.
HNoMS Tordenskjold, known locally as Panserskipet Tordenskjold, was a Norwegian coastal defence ship. She, her sister ship, Harald Haarfagre, and the slightly newer Eidsvold class were built as a part of the general rearmament in the time leading up to the events in 1905. Tordenskjold remained an important vessel in the Royal Norwegian Navy until she was considered unfit for war in the mid-1930s.
The destroyer HNoMS Troll, known locally as Torpedojager Troll, was the second destroyer built for the Royal Norwegian Navy, as the second ship of the Draug-class destroyers. She was built at the naval shipyard in Horten, with yard number 104. She was kept in service long after she was obsolete, and took part in the defence of Norway after the German invasion in 1940.
HNoMS Garm was the third destroyer built for the Royal Norwegian Navy, and was a Draug class destroyer. Garm was constructed several years after her two sister ships, but to the same plans. She was built at the naval shipyard in Horten, with yard number 107.
HNoMS Nor was a Vale-class Rendel gunboat built for the Royal Norwegian Navy at Horten Naval Yard in 1878. She was one of a class of five gunboats - the other ships in the class were Vale, Brage, Uller and Vidar.
HNoMS Uller was a Vale-class Rendel gunboat constructed for the Royal Norwegian Navy at Karljohansverns Verft Naval Yard in Horten in 1874-1876 and had yard build number 55. She was one of a class of five gunboats - the other ships in the class were Vale, Brage, Nor and Vidar.
HNoMS Tyr was a Gor-class Rendel gunboat built for the Royal Norwegian Navy at Karljohansverns Verft Naval Yard in Horten. She was laid down in 1884 and launched in 1887 with build number 67. Tyr was one of a class of two gunboats - the other ship in her class being HNoMS Gor. Gor and Tyr can be seen as improved Vale-class gunboats, of 290 tons instead of the 250 tons standard for that class.
The minelayer HNoMS Glommen was built for the Royal Norwegian Navy during World War I, as the lead ship of the two ship Glommen class of mine layers. Her sister ship was Laugen. Glommen and her sister ship were kept in service until the German invasion of Norway in 1940. Glommen surrendered to the Germans on 14 April 1940, and was rebuilt as a floating anti-aircraft battery. She was scuttled at Kirkenes in 1944 by the retreating Germans.
HNoMS Gyller was a Sleipner-class destroyer commissioned into the Royal Norwegian Navy in 1938. Along with the other Sleipner-class vessels in commission at that time, she took part in protecting Norwegian neutrality during the Second World War. After initially serving in the far north during the Finno-Soviet Winter War, she was redeployed to Southern Norway, escorting ships through Norwegian territorial waters. When the Germans invaded Norway on 9 April 1940, she was docked at Kristiansand. After taking part in the defence of the port city, she was captured intact by the invading Germans. Renamed Löwe, she sailed with Nazi Germany's Kriegsmarine for the duration of the war.
HNoMS Odin was a Sleipner-class destroyer that entered service with the Royal Norwegian Navy in 1939. She and the other Sleipner-class vessels were built as part of a Norwegian rearmament scheme in the last years leading up to the Second World War. In 1940, she had taken part in protecting Norwegian neutrality, before being caught in the German invasion of Norway on 9 April 1940. After fighting the invasion forces at Kristiansand, she was captured and pressed into Kriegsmarine service for the duration of the war. After the end of the war, she was returned to Norway. In 1948, she and her surviving sister ships were converted to frigates and remained in service until sold for scrapping in 1959.
HNoMS Otra was an Otra-class minesweeper built in 1939 for the Royal Norwegian Navy. Captured by the Germans during the 1940 invasion of Norway and renamed Togo, she was returned to the Norwegians in 1946. Otra remained in service until being sold for scrapping in 1963.
HNoMS Heimdal was a Norwegian warship built at Akers mekaniske verksted in Kristiania, Norway in 1892 with build number 137.
HNoMS Tor was a Sleipner-class destroyer of the Royal Norwegian Navy that was launched in September 1939. She was under outfitting and testing when Nazi Germany invaded Norway on 9 April 1940. Although scuttled by Norwegian naval personnel to prevent her from being captured by the invading forces, she was soon salvaged by the Germans and put into service with the Kriegsmarine. Under the name Tiger she served out the war as an escort and training vessel, being recovered by the Norwegians in Denmark after the German capitulation in 1945. After the war she was converted to a frigate and served until 1959.
SS Orizaba was a Hamburg America Line (HAPAG) cargo ship that was built in Hamburg 1939 and wrecked off northern Norway in 1940.
HNoMS Brand was a 1.-class torpedo boat constructed in 1898. She served the Royal Norwegian Navy for more than four decades, including neutrality protection duties during the First World War. Having once again been employed on neutrality protection duty at the outbreak of the Second World War, Brand was captured by the Germans during their invasion of Norway in April 1940.
