Complex sentence: The regiment consisted of an HQ Battery and three separate gun batteries and from May to July 1942, the three batteries formed up at the Canadian Artillery Training Centre A2 (CATC A2) in Petawawa, Ontario.
Split into simpler sentences: The regiment consisted of an HQ Battery and three separate gun batteries. From May to July 1942, the three batteries formed up at the Canadian Artillery Training Centre A2 (CATC A2) in Petawawa, Ontario.