[sapper740]

I wouldn't be too hasty in ruling out making a model of a Canadian Cromwell. I have a picture of a Cromwell with CIRD (Canadian Indestructible Roller Device) which lends credence to it's use to some extent, even if only experimentally by Canada. I don't know of any other countries experimenting with this device, unfortunately I can't make out any WD numbers or unit insignia to confirm where this tank was used. Derek.