Former Regimental Sergeants Major

1964 – 2024 20th Field Artillery Regiment, RCA
2021-2024 Chief Warrant Officer Quinn Gillard CD
2020-2021 Chief Warrant Officer Al Moggey CD
2017-2020 Chief Warrant Officer Darren S Baker CD
2012-2015 Chief Warrant Officer Dave W Huedepohl CD
2008-2012 Chief Warrant Officer Jim Gourlay CD
Chief Warrant Officer Rick Cameron CD
Chief Warrant Officer Ronald (Ron) Wilfrid Allan Pomeroy MMM CD
Chief Warrant Officer Gordon Forsyth Fenwick MMM CD

1961-1964 20th Medium Artillery Regiment, RCA

1960-1961 96th Independent Medium Artillery Battery, RCA

1954-1960 96th Independent Medium Battery, RCA

1946-1954 20th Heavy Anti-Aircraft Regiment, RCA

1943-1946 20th (Reserve) Field Regiment, RCA

1940-1943 20th (Reserve) Field Brigade, RCA

1935-1940 20th Field Brigade, RCA

1925-1935 20th Field Brigade, Canadian Artillery

1920-1925 20th Brigade, Canadian Field Artillery