A troop commander ( TC ) is normally a junior officer ( 2nd lieutenant or lieutenant ) in the Royal Canadian Artillery or Royal Canadian Armoured Corps .
Head entity: royal canadian artillery Q3455450 19 20 21
Tail entity: royal canadian armoured corps Q7373880 23 24 25 26
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156