"Boxy armored troop transport based on the M4 Sherman tank. Essentially an M5 "Priest" self propelled artillery vehicle, but without the 105mm gun."
— Call of Duty 3 bonus materials section.
The Kangaroo is seen used by the Canadian Army in the mission The Corridor of Death. The player starts the mission riding in one before it is hit by multiple Germans and disabled. The player then bails and continues the mission.