Spitfire Mk.IX from the Front
This view of the Spitfire Mk.IX from the front shows the air intakes under each wing, and at least two cannon - the Mk.IX used the 'c' wing which could carry four 20mm cannon or two 20mm cannon and four machine guns.
How to cite this article:
Rickard, J (7 September 2019), Spitfire Mk.IX from the Front , http://www.historyofwar.org/Pictures/pictures_spitfire_IX_front.html