The SS Thurso was a cargo steamship built in 1919 by S. P. Austin & Sons in Sunderland, originally named War Bramble for the Shipping Controller. She was designed as a cargo vessel with a gross register tonnage of 2,436 tons and was capable of a speed of approximately 9 knots (17 km/h; 10 mph). While still under construction, she was sold to Ellerman Lines, which operated her for the duration of her service until she was lost during the Second World War. During her wartime service, the Thurso was part of Convoy HG 84, operating under Master William Waldie. She was tasked with transporting cargo, including 850 tons of cork, general goods, and 1,500 bags of mail intended for German prisoners of war in Britain. The ship's armament included a 4-inch gun, a .12 pdr gun, two Hotchkiss machine guns, two twin marlins, two Lewis guns, and other defensive equipment such as P.A.C.s and kites. She was also equipped with degaussing gear for magnetic signature reduction. On June 15, 1942, while in convoy, the Thurso was attacked by U-552 commanded by Kapitänleutnant Erich Topp. The U-boat launched torpedoes, and Thurso was struck aft on her starboard side, causing a catastrophic explosion and rapid sinking. The explosion was described as disintegrating the ship into fragments, with Thurso exploding into a blaze. The crew, numbering around 42, lost 13 men in the attack, including crew members and gunners, while 29 survived. The master, Captain Waldie, along with his crew and gunners, abandoned ship and were rescued by the HMS Marigold. The sinking of SS Thurso exemplifies the peril faced by merchant ships during WWII, illustrating the bravery of merchant mariners who played vital roles in wartime logistics and convoy protection. The ship's service and loss are memorialized among the many merchant vessels that suffered during the Battle of the Atlantic, highlighting her maritime significance as a wartime cargo vessel and symbol of the resilience of the Merchant Navy.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.