Argent, a Sioux Indigenous person's head proper facing the dexter and wearing an appropriate feather head-dress of a Sioux Chief.
(Glossary of Heraldic Terms)
The Sioux people lived on the western plains of the northern United States and in the prairies of western Canada. Sioux chiefs were among the first to wear the type of feather headress now so often associated with indigenous peoples.
Originally HMS Vixen, Sioux was commissioned into the RCN in February 1944. She wore pennant R64 until she was paid off into reserve shortly alter the war. She emerged again, fully modernized, in 1950. She wore pennant 225 until she was finally paid off in October 1963.
Then I will fight
White and vermilion
Normandy, 1944; Arctic, 1944–1945; Atlantic, 1945; Korea, 1950–1952;
Badges Of The Canadian Navy by Arbuckle, J. Graeme. Halifax: Nimbus Publishing, 1987.