This is my hobby and what I do in my spare time. I have a Facebook page called 'World War II HD Archives' where I document all these photos and I...
Okay so I did some more research and it's definitely an R-670 but this one was not for the M3. It was for the LVT-4 Water Buffalo that is standing...
The vehicle behind it I believe is an Amtrak but I can't confirm if it belongs to it. This is at the Normandy Tank museum.