Can anyone shed any light on this one. In an old book entitled Great Battles of WW2 I found a very grainy photo of a knocked out half track in Normandy. It looks to have been either an M5A1 or M9A1. What made it unusual was the body height extensions, front,side and rear, which look to have come to the level of the top of the mg “pulpit”. I’ve not seen any mention of this modification in any other book. Was this just a local field modification or a sanctioned job? Any help would be appreciated.