In the case of the battleship, the platform may change, but not the function. What is the point to these anecdotes? There are two. Marshall used his executive-order authority, given after Pearl Harbor, to get rid of all the horses in the Army - and Herr. Herr was an obstacle to modernizing the Army with tanks, insisting that he would accept no increase in armor at the expense of horse-cavalry strength. The horse, however, was a different kind of problem for the Army. Navy was able to accommodate both the battleship and aircraft carrier in World War II, although the battleship mostly was relied upon to provide fire support, rather than crossing the T against an enemy battleline. The "light tank" of the future could be dropped out of airplanes, ringed with radars and other sensors, run on six or more wheels, and hurl tank-shattering missiles up to five miles away. The common conception of a light tank is a small, pudgy vehicle with a pipsqueak of a gun and a cramped, miserable with a short battlefield lifespan. Wheeled armored vehicles are better at navigating bad terrain than ever, with the added advantage of creating a lighter vehicle with better mobility on roads. Now that the Army has purchased the Stryker interim armored vehicle in large numbers, it's much less resistant to wheeled designs than it has been in the past. Tracks are better able to shrug off battlefield damage than wheels, and they are better in some types of ground-particularly crossing ditches or muddy, rough terrain. Army resisted wheeled armored vehicles, preferring tracks over wheels. For larger projectiles, an active protection system would keep the tank crew safe. light tank could dispense with much of its armor-perhaps keeping just enough to stop 12.7-millimeter heavy machine gun bullets. Active protection systems such as the Israeli Trophy and Russian Arena, which use radar antennas to track enemy rockets and missiles and shoot them down with shotgun-like blasts, can protect a small tank just as well as a large one. Protection: Here's where the light tank will benefit the most from technological innovation.
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