The 15th Army Group was an army group in World War II, composed of the British Eighth Army and initially the Seventh United States Army, replaced by the Fifth United States Army, which apart from units from across the British Empire and United States, also had entire units from other allied countries/regions, including: one corps from Free France and one from Poland; one division from Brazil; multiple separate brigades of Italians and Greeks; plus support to, and from, local Italian partisans. Wikipedia