Marshal Blücher was the Prussian commander at the Battle of Waterloo in 1815. His name is commonly anglicized as "Bluecher". German military history notes two operations named Operation Blücher. 1. In 1918, Operation Blücher was an alternate plan to Heilger Michael. It called for an attack on Allied forces near the Aisne River, scheduled for spring 1918. It was never executed.