38 Canadian Brigade Group (38 CBG) (French: 38e Groupe-brigade du Canada) is a formation of the Canadian Forces and Canadian Army's 3rd Canadian Division. The brigade group is composed of Primary Reserve units in Manitoba, Saskatchewan and Northwestern Ontario east to Thunder Bay. Geographically, 38 CBG is Canada's largest brigade group. The brigade headquarters is located in Winnipeg, Manitoba. The commanding officer of the 38 Canadian Brigade Group is Colonel Geoff Abthorpe, CD. The 38 Canadian Brigade Group sergeant-major is Chief Warrant Officer Albert Boucher, CD.