We explore the evolution of the main battle tank - charting its progress from the fields of WWI France to the deserts of Iraq - and check out its arch-rival of 'tank killer weapons'. E1: Heavy Metal
Artillery hasn't really changed; once the foundation of battle in WWII, it appears as though artillery isn't going anywhere until political and moral issues regarding accuracy arise. E5: Gods of War
The Supermarine Spitfire aircraft begged the question of how important air combat is in WWII - it has been clear that dominating the skies is essential in battle since then. E4: Pure Fighter