Image: Conceptual art of a "Transformer" produced by AAI, a subsidiary of Textron Systems. (Courtesy of Textron Systems) Top US Military Inventions -- The Telegraph
The Jet Pack – the idea of strapping rockets to the back of soldiers, enabling them to sail into the air, had been the stuff of science fiction even before the Nazis came up with the "Himmelstürmer" or Heaven stormer.
The US Army went on to test variants, but ditched them all eventually as too heavy for pilots to land safely. Only ever used in anger by James Bond
The Long Range Acoustic Device – originally developed after the attack on the USS Cole, the LRAD was designed to warn off unidentified boats approaching warships first with audio messages – and then with huge bursts of unbearable noise.
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My Comment: A tongue in cheek look at some U.S. military inventions.