mobilization and training for soldiers recruited from the Ottawa-Carleton area, overseeing soldiers deployed for service in: North-West Canada, 1885 South Africa, 1899–1902 The Great War, 1914–1918 The Second World War, 1939–1945 Korean War, 1950–1953 Several peacekeeping operations including Cyprus, Sierra Leone, and the former Yugoslavia. Afghanistan War, 2001–2014 During Ottawa Race Weekend each year, Cartier Square Drill Hall is converted into a satellite site of The Ottawa Hospital to provide medical services for runners. Sculpture A statue dedicated to Privates William B. Osgoode and John Rogers, who were killed during the Battle of Cutknife Hill on 2 May 1885 during the North-West Rebellion, was moved to Cartier Square Drill Hall in 2006 from Confederation Park. Unveiled on May 2, 1887, a tablet is also dedicated to the memory of Privates J. Rogers and Wm. B. Osgoode. Parade Square The Parade Square provides ample area for training at the section, platoon and company level and it is often loaned out to a wide variety of civilian organizations to hold large dinners and entertainment events such as the City of Ottawa Christmas Party, the Ottawa Heritage Ball, and the Ottawa Garrison Ball. Officers' Mess The Officers' Mess is used by both the Governor General's Foot Guards and The Cameron Highlanders of Ottawa (Duke of Edinburgh's Own). Originally constructed in the 19th Century for the officers of the Foot Guards, the mess was the scene of Sir Sam Hughes' (the Minister of Militia and Defence at the time) declaration of war by Canada in 1914. In addition to an extensive art and regimental silver collection, the mess also houses the current Queen's and Regimental Colours of both regiments. Plaques Cameron Highlanders A memorial tablet is dedicated to the members of the 43rd Regiment Ottawa and Carleton Rifles who served and died in the South Africa campaign 1899 - 1902. A plaque is dedicated to the memory of Sergt. Cuthbert T. Thomas, member of the Number 5 Company, the Governor General Foot Guards killed in action at Paardeberg, South Africa on 27 February 1900. Another plaque was dedicated to the officers, warrant officers, non-commissioned officers and Men who served with the Cameron highlanders of Ottawa during the Second World War. Governor General's Foot Guards A tablet was dedicated to the memory of those Governor General's Foot Guards Officers, Non-Commissioned Officers and Guardsmen who gave their lives while serving with the regiment in the Second