Not at all possible that it is/was a replacement gun turret for a battleship that fell overboard from its transport ship when it was damaged in transit through a known transit zone?
The “front forks” not being from a starship, but the surrounding structure for the two much heavier, buried 14 or 16 inch barrels?
You might be right, but I heard that the turrets fall off the battleships if they flip upside down so you wouldn’t need a transport ship really. Just a battleship that is on its way to Davy Jones.