Cogs of War Turns One (opens in new tab)

A mentor of mine, a superb scholar, once told me that good defense analysis starts with a trade-off. The classic example is combined arms doctrine, which is the foundation of modern warfare. Infantry, armor, artillery, and aviation work together to offset each other’s weaknesses. Each brings a combination of mobility, firepower, or protection, though none individually has all three. Infantry has a lot of mobility, but little protection. Tanks have mobility and a lot of protection, but limited...