I’m sure they have.
On *A* you can see where the edge dug into the soil on that side and on *B* you can see where a squarish projection is supporting it on a rock giving it the angle off of flat.
Only thing I did was convert it to B/W, enlarge, brighten and play with contrast.
One heck of a natural rock there.
Not even going to mention the hatch cover and gun barrel :)