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2011 Jets
The twentieth century witnessed
an onslaught of technological advancements like never before. Among
these many modern marvels, certain innovations are easily taken for
granted. Take, for instance, the jet engine, which along with
brilliant aeronautical engineering redefined the rules of warfare,
and made the incredible speed and convenience of commercial air
travel possible. If you admire these magnificent, sleek machines,
you are sure to appreciate this spectacular wall calendar. |
