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Focke-Wulf Fw190A-7 w/Slipper Tank was a version of the FW190 designed for extended range. Unlike drop tanks the slipper tank is a wing mounted fuel tank mounted on the top of the wing. This aircraft carried two 13mm machine guns. Eighty of these planes were built beginning at the end of 1943.
Focke-Wulf Fw190A-7 w/Slipper Tank