Why do big commercial airplanes have wings on the bottom and big (US) military airplanes have their wings on top?
In: Engineering
They aren’t always split that way – while you often have custom/unique designs for military aircraft (bombers, fighters, large transport aircraft), you have just as many which use civilian/commerical designs. Tankers are a good example, with the KC-46 and KC-135 refueling aircraft built using the Boeing 767 and 707, respectively (and both having low/middle mounted wings) but there are many other examples. And on the civilian side the popular Cessna 172 has a high mounted wing (or the T-41, which is the military version of the 172)
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