HMS Raglan was an Abercrombie-class monitor of the Royal Navy, constructed during the First World War. Laid down at the Harland & Wolff shipyard in Govan on December 1, 1914, she was initially named Robert E. Lee in honor of the Confederate General, reflecting her original armament configuration. However, due to the United States' neutrality and diplomatic considerations, she was quickly renamed HMS M3 on May 31, 1915, and subsequently received the name HMS Lord Raglan on June 20, 1915, before settling on HMS Raglan on June 23, 1915. Designed for shore bombardment, Raglan was armed with the 14-inch (356 mm) /45 caliber BL MK II guns, which were originally intended for the Greek battleship Salamis. These guns were provided by Bethlehem Steel, as they could not be delivered to German builders due to the British blockade, prompting the Royal Navy to develop a class of monitors to utilize these powerful turrets. Raglan was deployed to the Eastern Mediterranean, sailing to the Dardanelles in June 1915, and was based at Imbros. She participated in significant operations, including the Third Battle of Gaza on October 29, 1917. Her service was marked by her role in supporting Allied campaigns in the region, primarily focusing on shore bombardment and blockade duties. The vessel's service ended tragically on January 20, 1918, during the Battle of Imbros. While the battleships Agamemnon and Lord Nelson were absent, Raglan and other ships of the Detached Squadron of the Aegean Squadron engaged Turkish forces. They were attacked by the Turkish battlecruiser Yavuz Sultan Selim (formerly SMS Goeben), the light cruiser Midilli (formerly SMS Breslau), and four destroyers. During this engagement, Raglan was sunk with the loss of 127 lives. The same battle resulted in the sinking of the light cruiser Midilli and damage to Yavuz Sultan Selim, the latter having run into a minefield during withdrawal. Raglan's history exemplifies the innovative use of existing artillery for naval gunfire support during WWI and her ultimate sacrifice highlights the intense naval conflicts in the Aegean theater.

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