The SS Laurentic, a British ocean liner converted into a troopship during World War I, was requisitioned by the British Admiralty to transport soldiers and supplies. On January 25, 1917, while on a voyage from Liverpool to Canada, the ship struck two mines that had been laid by a German U-boat off the coast of Donegal, Ireland. The first mine exploded, causing significant damage, and moments later, the second mine detonated, leading to rapid flooding and a catastrophic failure of the vessel's hull. Despite immediate rescue efforts, only 47 of the 401 people on board survived the disaster, marking one of the deadliest maritime incidents of that year.The Laurentic was initially designed as a luxury liner, but its adaptation to wartime needs showcased the increased use of civilian vessels in military operations during the global conflict. This incident drew attention to the challenges faced by Allied shipping, as the German Navy employed mines extensively as part of their campaign to disrupt enemy supply lines in the Atlantic. The sinking of the Laurentic raised alarm among other naval vessels and underscored the significance of naval mines in warfare, an armament that posed severe threats not only to military ships but also to civilian maritime operations. Over time, the sinking contributed to a shift in naval strategy and reinforced efforts to protect shipping routes from such hazards.