nit picker!!
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Asymmetric turrets are actually common on IFV's the German Puma IFV has a Double Asymmetric turret meaning that the Turret is offset to the left but the main cannon is off set to the right centering the cannon. by placing the turret off centerline, it opens up space for other uses like the engine or access between the crew and infantry compartments. note they mounted the antitank missiles on the left side of the turret. Also note that the IFV seems to have a series of small windows along the hull this may indicate that the troops sit back to back. this would mean that the rear of the vehicle would need either double ramps or a double wide ramp and may indicate that it still includes Firing ports compromising the protection of the vehicle.
two on the right mounted possibly symmetrically.
This is a feature that has fallen out of favor in the west Where Bradley lost it's firing ports, and most top european models like Warrior, CV90, ASCOD and Puma lack them as they open gaps in the armor and there use eliminates the possibility of adding additional armor like Reactive tiles.